Finding the Fourth Proportional to 11,512,500.00, 15,894,419.92 and 7,328,545.62
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Solution
The fourth proportional to 11,512,500.00, 15,894,419.92 and 7,328,545.62 is: 10,117,957.12
Step by Step Solution
- Step 1: Write the proportion equation
11,512,500.00 : 15,894,419.92 = 7,328,545.62 : x - Step 2: Convert to fraction form
11,512,500.00/15,894,419.92 = 7,328,545.62/x - Step 3: Cross multiply
11,512,500.00x = 15,894,419.92 × 7,328,545.62 - Step 4: Simplify right side
11,512,500.00x = 116,482,981,389,363.30 - Step 5: Solve for x
x = 116,482,981,389,363.30/11,512,500.00 - Step 6: Final answer
x = 10,117,957.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.