Home / 18,468,169.76-27,700,940.82-5,687,341.76

Finding the Fourth Proportional to 18,468,169.76, 27,700,940.82 and 5,687,341.76

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Solution

The fourth proportional to 18,468,169.76, 27,700,940.82 and 5,687,341.76 is: 8,530,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,169.76 : 27,700,940.82 = 5,687,341.76 : x
  2. Step 2: Convert to fraction form
    18,468,169.76/27,700,940.82 = 5,687,341.76/x
  3. Step 3: Cross multiply
    18,468,169.76x = 27,700,940.82 × 5,687,341.76
  4. Step 4: Simplify right side
    18,468,169.76x = 157,544,717,516,874.62
  5. Step 5: Solve for x
    x = 157,544,717,516,874.62/18,468,169.76
  6. Step 6: Final answer
    x = 8,530,608.04

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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.