Home / 20,101,624.38-30,162,400.38-7,970,827.86

Finding the Fourth Proportional to 20,101,624.38, 30,162,400.38 and 7,970,827.86

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Solution

The fourth proportional to 20,101,624.38, 30,162,400.38 and 7,970,827.86 is: 11,960,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,624.38 : 30,162,400.38 = 7,970,827.86 : x
  2. Step 2: Convert to fraction form
    20,101,624.38/30,162,400.38 = 7,970,827.86/x
  3. Step 3: Cross multiply
    20,101,624.38x = 30,162,400.38 × 7,970,827.86
  4. Step 4: Simplify right side
    20,101,624.38x = 240,419,301,273,378.59
  5. Step 5: Solve for x
    x = 240,419,301,273,378.59/20,101,624.38
  6. Step 6: Final answer
    x = 11,960,192.71

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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.