Mardi Gras bead problem

A person has a bag of Mardi Gras beads that contains green, yellow, and purple beads. The ratio of green to yellow beads is 3:4, and the ratio of yellow to purple beads is 2:1. If the total number of beads in the bag is 63, how many beads of each color are in the bag?

Congratulations to everyone who answered correctly!

First NameLast NameCompanyBuilding
HilaryThreattAccessoEncore Commons-Alpharetta
JacquelineCasseusAccessoAccesso One-Hallandale
JenniferErdmanIAT Insurance GroupPark Plaza-Naperville
KenEdwardsConnected DevelopmentWeston I & II-Cary
KimKelloggGTC Vorro Environmental SvcsAshford-Houston