Home / 15,142,905.70-22,714,358.55-13,631,251.30

Finding the Fourth Proportional to 15,142,905.70, 22,714,358.55 and 13,631,251.30

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Solution

The fourth proportional to 15,142,905.70, 22,714,358.55 and 13,631,251.30 is: 20,446,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142,905.70 : 22,714,358.55 = 13,631,251.30 : x
  2. Step 2: Convert to fraction form
    15,142,905.70/22,714,358.55 = 13,631,251.30/x
  3. Step 3: Cross multiply
    15,142,905.70x = 22,714,358.55 × 13,631,251.30
  4. Step 4: Simplify right side
    15,142,905.70x = 309,625,129,513,353.62
  5. Step 5: Solve for x
    x = 309,625,129,513,353.62/15,142,905.70
  6. Step 6: Final answer
    x = 20,446,876.95

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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.