Home / 10,121,439.60-15,165,363.24-7,123,325.04

Finding the Fourth Proportional to 10,121,439.60, 15,165,363.24 and 7,123,325.04

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Solution

The fourth proportional to 10,121,439.60, 15,165,363.24 and 7,123,325.04 is: 10,673,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,439.60 : 15,165,363.24 = 7,123,325.04 : x
  2. Step 2: Convert to fraction form
    10,121,439.60/15,165,363.24 = 7,123,325.04/x
  3. Step 3: Cross multiply
    10,121,439.60x = 15,165,363.24 × 7,123,325.04
  4. Step 4: Simplify right side
    10,121,439.60x = 108,027,811,708,187.53
  5. Step 5: Solve for x
    x = 108,027,811,708,187.53/10,121,439.60
  6. Step 6: Final answer
    x = 10,673,166.66

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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.