Home / 8,785,671.35-13,187,008-4,239,920.17

Finding the Fourth Proportional to 8,785,671.35, 13,187,008 and 4,239,920.17

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Solution

The fourth proportional to 8,785,671.35, 13,187,008 and 4,239,920.17 is: 6,363,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,671.35 : 13,187,008 = 4,239,920.17 : x
  2. Step 2: Convert to fraction form
    8,785,671.35/13,187,008 = 4,239,920.17/x
  3. Step 3: Cross multiply
    8,785,671.35x = 13,187,008 × 4,239,920.17
  4. Step 4: Simplify right side
    8,785,671.35x = 55,911,861,201,151.36
  5. Step 5: Solve for x
    x = 55,911,861,201,151.36/8,785,671.35
  6. Step 6: Final answer
    x = 6,363,982.78

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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.