Home / 12,251,272.70-18,376,909.05-10,338,085.10

Finding the Fourth Proportional to 12,251,272.70, 18,376,909.05 and 10,338,085.10

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Solution

The fourth proportional to 12,251,272.70, 18,376,909.05 and 10,338,085.10 is: 15,507,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,272.70 : 18,376,909.05 = 10,338,085.10 : x
  2. Step 2: Convert to fraction form
    12,251,272.70/18,376,909.05 = 10,338,085.10/x
  3. Step 3: Cross multiply
    12,251,272.70x = 18,376,909.05 × 10,338,085.10
  4. Step 4: Simplify right side
    12,251,272.70x = 189,982,049,633,860.16
  5. Step 5: Solve for x
    x = 189,982,049,633,860.16/12,251,272.70
  6. Step 6: Final answer
    x = 15,507,127.65

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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.