Home / 8,691,367.74-11,995,337.08-5,206,855.57

Finding the Fourth Proportional to 8,691,367.74, 11,995,337.08 and 5,206,855.57

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Solution

The fourth proportional to 8,691,367.74, 11,995,337.08 and 5,206,855.57 is: 7,186,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,367.74 : 11,995,337.08 = 5,206,855.57 : x
  2. Step 2: Convert to fraction form
    8,691,367.74/11,995,337.08 = 5,206,855.57/x
  3. Step 3: Cross multiply
    8,691,367.74x = 11,995,337.08 × 5,206,855.57
  4. Step 4: Simplify right side
    8,691,367.74x = 62,457,987,665,545.77
  5. Step 5: Solve for x
    x = 62,457,987,665,545.77/8,691,367.74
  6. Step 6: Final answer
    x = 7,186,209.30

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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.