Home / 31,593,896.20-47,396,093.10-12,425,278.60

Finding the Fourth Proportional to 31,593,896.20, 47,396,093.10 and 12,425,278.60

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Solution

The fourth proportional to 31,593,896.20, 47,396,093.10 and 12,425,278.60 is: 18,639,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,593,896.20 : 47,396,093.10 = 12,425,278.60 : x
  2. Step 2: Convert to fraction form
    31,593,896.20/47,396,093.10 = 12,425,278.60/x
  3. Step 3: Cross multiply
    31,593,896.20x = 47,396,093.10 × 12,425,278.60
  4. Step 4: Simplify right side
    31,593,896.20x = 588,909,661,319,037.62
  5. Step 5: Solve for x
    x = 588,909,661,319,037.62/31,593,896.20
  6. Step 6: Final answer
    x = 18,639,982.15

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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.