Home / 28,125,978.75-42,399,777.97-26,251,092.20

Finding the Fourth Proportional to 28,125,978.75, 42,399,777.97 and 26,251,092.20

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Solution

The fourth proportional to 28,125,978.75, 42,399,777.97 and 26,251,092.20 is: 39,573,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125,978.75 : 42,399,777.97 = 26,251,092.20 : x
  2. Step 2: Convert to fraction form
    28,125,978.75/42,399,777.97 = 26,251,092.20/x
  3. Step 3: Cross multiply
    28,125,978.75x = 42,399,777.97 × 26,251,092.20
  4. Step 4: Simplify right side
    28,125,978.75x = 1,113,040,480,790,370.62
  5. Step 5: Solve for x
    x = 1,113,040,480,790,370.62/28,125,978.75
  6. Step 6: Final answer
    x = 39,573,395.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.