Home / 18,984,545.40-28,469,819.70-9,396,737.40

Finding the Fourth Proportional to 18,984,545.40, 28,469,819.70 and 9,396,737.40

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Solution

The fourth proportional to 18,984,545.40, 28,469,819.70 and 9,396,737.40 is: 14,091,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984,545.40 : 28,469,819.70 = 9,396,737.40 : x
  2. Step 2: Convert to fraction form
    18,984,545.40/28,469,819.70 = 9,396,737.40/x
  3. Step 3: Cross multiply
    18,984,545.40x = 28,469,819.70 × 9,396,737.40
  4. Step 4: Simplify right side
    18,984,545.40x = 267,523,419,546,246.78
  5. Step 5: Solve for x
    x = 267,523,419,546,246.78/18,984,545.40
  6. Step 6: Final answer
    x = 14,091,642.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.