Home / 15,508,489.80-21,407,572.44-12,192,132.72

Finding the Fourth Proportional to 15,508,489.80, 21,407,572.44 and 12,192,132.72

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Solution

The fourth proportional to 15,508,489.80, 21,407,572.44 and 12,192,132.72 is: 16,829,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,508,489.80 : 21,407,572.44 = 12,192,132.72 : x
  2. Step 2: Convert to fraction form
    15,508,489.80/21,407,572.44 = 12,192,132.72/x
  3. Step 3: Cross multiply
    15,508,489.80x = 21,407,572.44 × 12,192,132.72
  4. Step 4: Simplify right side
    15,508,489.80x = 261,003,964,401,494.28
  5. Step 5: Solve for x
    x = 261,003,964,401,494.28/15,508,489.80
  6. Step 6: Final answer
    x = 16,829,747.30

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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.