Home / 8,940,489.27-12,338,138.88-6,331,660.71

Finding the Fourth Proportional to 8,940,489.27, 12,338,138.88 and 6,331,660.71

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Solution

The fourth proportional to 8,940,489.27, 12,338,138.88 and 6,331,660.71 is: 8,737,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940,489.27 : 12,338,138.88 = 6,331,660.71 : x
  2. Step 2: Convert to fraction form
    8,940,489.27/12,338,138.88 = 6,331,660.71/x
  3. Step 3: Cross multiply
    8,940,489.27x = 12,338,138.88 × 6,331,660.71
  4. Step 4: Simplify right side
    8,940,489.27x = 78,120,909,181,019.41
  5. Step 5: Solve for x
    x = 78,120,909,181,019.41/8,940,489.27
  6. Step 6: Final answer
    x = 8,737,878.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.