Home / 18,156,043.20-27,234,064.80-13,904,515.20

Finding the Fourth Proportional to 18,156,043.20, 27,234,064.80 and 13,904,515.20

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Solution

The fourth proportional to 18,156,043.20, 27,234,064.80 and 13,904,515.20 is: 20,856,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156,043.20 : 27,234,064.80 = 13,904,515.20 : x
  2. Step 2: Convert to fraction form
    18,156,043.20/27,234,064.80 = 13,904,515.20/x
  3. Step 3: Cross multiply
    18,156,043.20x = 27,234,064.80 × 13,904,515.20
  4. Step 4: Simplify right side
    18,156,043.20x = 378,676,467,969,384.94
  5. Step 5: Solve for x
    x = 378,676,467,969,384.94/18,156,043.20
  6. Step 6: Final answer
    x = 20,856,772.80

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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.