Home / 18,201,658.20-27,302,487.30-15,331,876.80

Finding the Fourth Proportional to 18,201,658.20, 27,302,487.30 and 15,331,876.80

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Solution

The fourth proportional to 18,201,658.20, 27,302,487.30 and 15,331,876.80 is: 22,997,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201,658.20 : 27,302,487.30 = 15,331,876.80 : x
  2. Step 2: Convert to fraction form
    18,201,658.20/27,302,487.30 = 15,331,876.80/x
  3. Step 3: Cross multiply
    18,201,658.20x = 27,302,487.30 × 15,331,876.80
  4. Step 4: Simplify right side
    18,201,658.20x = 418,598,371,617,164.69
  5. Step 5: Solve for x
    x = 418,598,371,617,164.69/18,201,658.20
  6. Step 6: Final answer
    x = 22,997,815.20

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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.