Home / 8,489,839.40-11,723,260.40-8,215,306.22

Finding the Fourth Proportional to 8,489,839.40, 11,723,260.40 and 8,215,306.22

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Solution

The fourth proportional to 8,489,839.40, 11,723,260.40 and 8,215,306.22 is: 11,344,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,839.40 : 11,723,260.40 = 8,215,306.22 : x
  2. Step 2: Convert to fraction form
    8,489,839.40/11,723,260.40 = 8,215,306.22/x
  3. Step 3: Cross multiply
    8,489,839.40x = 11,723,260.40 × 8,215,306.22
  4. Step 4: Simplify right side
    8,489,839.40x = 96,310,174,082,799.69
  5. Step 5: Solve for x
    x = 96,310,174,082,799.69/8,489,839.40
  6. Step 6: Final answer
    x = 11,344,169.14

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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.