Home / 28,472,227.30-39,291,188.16-15,419,380.24

Finding the Fourth Proportional to 28,472,227.30, 39,291,188.16 and 15,419,380.24

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Solution

The fourth proportional to 28,472,227.30, 39,291,188.16 and 15,419,380.24 is: 21,278,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472,227.30 : 39,291,188.16 = 15,419,380.24 : x
  2. Step 2: Convert to fraction form
    28,472,227.30/39,291,188.16 = 15,419,380.24/x
  3. Step 3: Cross multiply
    28,472,227.30x = 39,291,188.16 × 15,419,380.24
  4. Step 4: Simplify right side
    28,472,227.30x = 605,845,770,320,425.88
  5. Step 5: Solve for x
    x = 605,845,770,320,425.88/28,472,227.30
  6. Step 6: Final answer
    x = 21,278,481.80

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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.