Home / 8,125,085.21-12,179,998.60-2,729,962.61

Finding the Fourth Proportional to 8,125,085.21, 12,179,998.60 and 2,729,962.61

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Solution

The fourth proportional to 8,125,085.21, 12,179,998.60 and 2,729,962.61 is: 4,092,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,085.21 : 12,179,998.60 = 2,729,962.61 : x
  2. Step 2: Convert to fraction form
    8,125,085.21/12,179,998.60 = 2,729,962.61/x
  3. Step 3: Cross multiply
    8,125,085.21x = 12,179,998.60 × 2,729,962.61
  4. Step 4: Simplify right side
    8,125,085.21x = 33,250,940,761,158.48
  5. Step 5: Solve for x
    x = 33,250,940,761,158.48/8,125,085.21
  6. Step 6: Final answer
    x = 4,092,380.56

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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.