Home / 38,086,723.80-57,122,649.20-12,172,073.70

Finding the Fourth Proportional to 38,086,723.80, 57,122,649.20 and 12,172,073.70

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Solution

The fourth proportional to 38,086,723.80, 57,122,649.20 and 12,172,073.70 is: 18,255,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086,723.80 : 57,122,649.20 = 12,172,073.70 : x
  2. Step 2: Convert to fraction form
    38,086,723.80/57,122,649.20 = 12,172,073.70/x
  3. Step 3: Cross multiply
    38,086,723.80x = 57,122,649.20 × 12,172,073.70
  4. Step 4: Simplify right side
    38,086,723.80x = 695,301,096,001,646
  5. Step 5: Solve for x
    x = 695,301,096,001,646/38,086,723.80
  6. Step 6: Final answer
    x = 18,255,733.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.