Finding the Fourth Proportional to 16,862,734.38, 25,292,399.29 and 11,432,694.45
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Solution
The fourth proportional to 16,862,734.38, 25,292,399.29 and 11,432,694.45 is: 17,147,887.55
Step by Step Solution
- Step 1: Write the proportion equation
16,862,734.38 : 25,292,399.29 = 11,432,694.45 : x - Step 2: Convert to fraction form
16,862,734.38/25,292,399.29 = 11,432,694.45/x - Step 3: Cross multiply
16,862,734.38x = 25,292,399.29 × 11,432,694.45 - Step 4: Simplify right side
16,862,734.38x = 289,160,272,898,154.19 - Step 5: Solve for x
x = 289,160,272,898,154.19/16,862,734.38 - Step 6: Final answer
x = 17,147,887.55
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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.