Home / 11,172,609.18-16,758,806.69-6,620,381.13

Finding the Fourth Proportional to 11,172,609.18, 16,758,806.69 and 6,620,381.13

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Solution

The fourth proportional to 11,172,609.18, 16,758,806.69 and 6,620,381.13 is: 9,930,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172,609.18 : 16,758,806.69 = 6,620,381.13 : x
  2. Step 2: Convert to fraction form
    11,172,609.18/16,758,806.69 = 6,620,381.13/x
  3. Step 3: Cross multiply
    11,172,609.18x = 16,758,806.69 × 6,620,381.13
  4. Step 4: Simplify right side
    11,172,609.18x = 110,949,687,538,691.86
  5. Step 5: Solve for x
    x = 110,949,687,538,691.86/11,172,609.18
  6. Step 6: Final answer
    x = 9,930,508.24

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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.