Home / 27,515,794.20-41,273,691.30-21,158,136.60

Finding the Fourth Proportional to 27,515,794.20, 41,273,691.30 and 21,158,136.60

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Solution

The fourth proportional to 27,515,794.20, 41,273,691.30 and 21,158,136.60 is: 31,737,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515,794.20 : 41,273,691.30 = 21,158,136.60 : x
  2. Step 2: Convert to fraction form
    27,515,794.20/41,273,691.30 = 21,158,136.60/x
  3. Step 3: Cross multiply
    27,515,794.20x = 41,273,691.30 × 21,158,136.60
  4. Step 4: Simplify right side
    27,515,794.20x = 873,274,398,511,631.62
  5. Step 5: Solve for x
    x = 873,274,398,511,631.62/27,515,794.20
  6. Step 6: Final answer
    x = 31,737,204.90

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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.