Home / 22,418,326.18-30,937,633.05-13,251,821.86

Finding the Fourth Proportional to 22,418,326.18, 30,937,633.05 and 13,251,821.86

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Solution

The fourth proportional to 22,418,326.18, 30,937,633.05 and 13,251,821.86 is: 18,287,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418,326.18 : 30,937,633.05 = 13,251,821.86 : x
  2. Step 2: Convert to fraction form
    22,418,326.18/30,937,633.05 = 13,251,821.86/x
  3. Step 3: Cross multiply
    22,418,326.18x = 30,937,633.05 × 13,251,821.86
  4. Step 4: Simplify right side
    22,418,326.18x = 409,980,001,948,648.44
  5. Step 5: Solve for x
    x = 409,980,001,948,648.44/22,418,326.18
  6. Step 6: Final answer
    x = 18,287,716.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.