Finding the Fourth Proportional to 10,491,766.38, 15,720,251.11 and 6,380,652.48
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Solution
The fourth proportional to 10,491,766.38, 15,720,251.11 and 6,380,652.48 is: 9,560,397.71
Step by Step Solution
- Step 1: Write the proportion equation
10,491,766.38 : 15,720,251.11 = 6,380,652.48 : x - Step 2: Convert to fraction form
10,491,766.38/15,720,251.11 = 6,380,652.48/x - Step 3: Cross multiply
10,491,766.38x = 15,720,251.11 × 6,380,652.48 - Step 4: Simplify right side
10,491,766.38x = 100,305,459,231,244.25 - Step 5: Solve for x
x = 100,305,459,231,244.25/10,491,766.38 - Step 6: Final answer
x = 9,560,397.71
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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.