Home / 14,995,781.43-20,694,379.14-8,380,079.12

Finding the Fourth Proportional to 14,995,781.43, 20,694,379.14 and 8,380,079.12

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Solution

The fourth proportional to 14,995,781.43, 20,694,379.14 and 8,380,079.12 is: 11,564,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995,781.43 : 20,694,379.14 = 8,380,079.12 : x
  2. Step 2: Convert to fraction form
    14,995,781.43/20,694,379.14 = 8,380,079.12/x
  3. Step 3: Cross multiply
    14,995,781.43x = 20,694,379.14 × 8,380,079.12
  4. Step 4: Simplify right side
    14,995,781.43x = 173,420,534,429,005.66
  5. Step 5: Solve for x
    x = 173,420,534,429,005.66/14,995,781.43
  6. Step 6: Final answer
    x = 11,564,621.37

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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.