Home / 28,586,847.92-42,882,138.13-20,933,397.68

Finding the Fourth Proportional to 28,586,847.92, 42,882,138.13 and 20,933,397.68

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Solution

The fourth proportional to 28,586,847.92, 42,882,138.13 and 20,933,397.68 is: 31,401,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586,847.92 : 42,882,138.13 = 20,933,397.68 : x
  2. Step 2: Convert to fraction form
    28,586,847.92/42,882,138.13 = 20,933,397.68/x
  3. Step 3: Cross multiply
    28,586,847.92x = 42,882,138.13 × 20,933,397.68
  4. Step 4: Simplify right side
    28,586,847.92x = 897,668,850,843,981.62
  5. Step 5: Solve for x
    x = 897,668,850,843,981.62/28,586,847.92
  6. Step 6: Final answer
    x = 31,401,463.13

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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.