Finding the Fourth Proportional to 10,512,539.10, 15,756,445.62 and 4,748,545.08
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Solution
The fourth proportional to 10,512,539.10, 15,756,445.62 and 4,748,545.08 is: 7,117,233.20
Step by Step Solution
- Step 1: Write the proportion equation
10,512,539.10 : 15,756,445.62 = 4,748,545.08 : x - Step 2: Convert to fraction form
10,512,539.10/15,756,445.62 = 4,748,545.08/x - Step 3: Cross multiply
10,512,539.10x = 15,756,445.62 × 4,748,545.08 - Step 4: Simplify right side
10,512,539.10x = 74,820,192,327,138.55 - Step 5: Solve for x
x = 74,820,192,327,138.55/10,512,539.10 - Step 6: Final answer
x = 7,117,233.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.