Home / 8,489,834.39-11,723,253.50-8,215,301.23

Finding the Fourth Proportional to 8,489,834.39, 11,723,253.50 and 8,215,301.23

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Solution

The fourth proportional to 8,489,834.39, 11,723,253.50 and 8,215,301.23 is: 11,344,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,834.39 : 11,723,253.50 = 8,215,301.23 : x
  2. Step 2: Convert to fraction form
    8,489,834.39/11,723,253.50 = 8,215,301.23/x
  3. Step 3: Cross multiply
    8,489,834.39x = 11,723,253.50 × 8,215,301.23
  4. Step 4: Simplify right side
    8,489,834.39x = 96,310,058,889,381.92
  5. Step 5: Solve for x
    x = 96,310,058,889,381.92/8,489,834.39
  6. Step 6: Final answer
    x = 11,344,162.26

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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.