Home / 12,251,279.70-18,376,919.55-10,338,092.10

Finding the Fourth Proportional to 12,251,279.70, 18,376,919.55 and 10,338,092.10

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Solution

The fourth proportional to 12,251,279.70, 18,376,919.55 and 10,338,092.10 is: 15,507,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,279.70 : 18,376,919.55 = 10,338,092.10 : x
  2. Step 2: Convert to fraction form
    12,251,279.70/18,376,919.55 = 10,338,092.10/x
  3. Step 3: Cross multiply
    12,251,279.70x = 18,376,919.55 × 10,338,092.10
  4. Step 4: Simplify right side
    12,251,279.70x = 189,982,286,822,190.56
  5. Step 5: Solve for x
    x = 189,982,286,822,190.56/12,251,279.70
  6. Step 6: Final answer
    x = 15,507,138.15

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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.