Finding the Fourth Proportional to 29,049,355.68, 40,087,234.66 and 15,996,684.92
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Solution
The fourth proportional to 29,049,355.68, 40,087,234.66 and 15,996,684.92 is: 22,074,942.70
Step by Step Solution
- Step 1: Write the proportion equation
29,049,355.68 : 40,087,234.66 = 15,996,684.92 : x - Step 2: Convert to fraction form
29,049,355.68/40,087,234.66 = 15,996,684.92/x - Step 3: Cross multiply
29,049,355.68x = 40,087,234.66 × 15,996,684.92 - Step 4: Simplify right side
29,049,355.68x = 641,262,862,170,123.25 - Step 5: Solve for x
x = 641,262,862,170,123.25/29,049,355.68 - Step 6: Final answer
x = 22,074,942.70
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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.