Finding the Fourth Proportional to 13,349,757.76, 19,969,793.97 and 10,659,337.90
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Solution
The fourth proportional to 13,349,757.76, 19,969,793.97 and 10,659,337.90 is: 15,945,216.80
Step by Step Solution
- Step 1: Write the proportion equation
13,349,757.76 : 19,969,793.97 = 10,659,337.90 : x - Step 2: Convert to fraction form
13,349,757.76/19,969,793.97 = 10,659,337.90/x - Step 3: Cross multiply
13,349,757.76x = 19,969,793.97 × 10,659,337.90 - Step 4: Simplify right side
13,349,757.76x = 212,864,781,719,612.47 - Step 5: Solve for x
x = 212,864,781,719,612.47/13,349,757.76 - Step 6: Final answer
x = 15,945,216.80
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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.