Home / 21,230,136.90-31,797,966.15-17,451,000.90

Finding the Fourth Proportional to 21,230,136.90, 31,797,966.15 and 17,451,000.90

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Solution

The fourth proportional to 21,230,136.90, 31,797,966.15 and 17,451,000.90 is: 26,137,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,230,136.90 : 31,797,966.15 = 17,451,000.90 : x
  2. Step 2: Convert to fraction form
    21,230,136.90/31,797,966.15 = 17,451,000.90/x
  3. Step 3: Cross multiply
    21,230,136.90x = 31,797,966.15 × 17,451,000.90
  4. Step 4: Simplify right side
    21,230,136.90x = 554,906,335,901,819.44
  5. Step 5: Solve for x
    x = 554,906,335,901,819.44/21,230,136.90
  6. Step 6: Final answer
    x = 26,137,671.11

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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.