Home / 38,021,310.20-57,009,183.24-12,102,418.28

Finding the Fourth Proportional to 38,021,310.20, 57,009,183.24 and 12,102,418.28

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Solution

The fourth proportional to 38,021,310.20, 57,009,183.24 and 12,102,418.28 is: 18,146,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021,310.20 : 57,009,183.24 = 12,102,418.28 : x
  2. Step 2: Convert to fraction form
    38,021,310.20/57,009,183.24 = 12,102,418.28/x
  3. Step 3: Cross multiply
    38,021,310.20x = 57,009,183.24 × 12,102,418.28
  4. Step 4: Simplify right side
    38,021,310.20x = 689,948,981,371,645.62
  5. Step 5: Solve for x
    x = 689,948,981,371,645.62/38,021,310.20
  6. Step 6: Final answer
    x = 18,146,375.75

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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.