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Finding the Fourth Proportional to 18,062,677.67, 24,926,508.20 and 9,802,737.77

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Solution

The fourth proportional to 18,062,677.67, 24,926,508.20 and 9,802,737.77 is: 13,527,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062,677.67 : 24,926,508.20 = 9,802,737.77 : x
  2. Step 2: Convert to fraction form
    18,062,677.67/24,926,508.20 = 9,802,737.77/x
  3. Step 3: Cross multiply
    18,062,677.67x = 24,926,508.20 × 9,802,737.77
  4. Step 4: Simplify right side
    18,062,677.67x = 244,348,023,406,354.69
  5. Step 5: Solve for x
    x = 244,348,023,406,354.69/18,062,677.67
  6. Step 6: Final answer
    x = 13,527,785.19

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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.