Home / 40,025,862.48-55,235,737.48-21,691,147.98

Finding the Fourth Proportional to 40,025,862.48, 55,235,737.48 and 21,691,147.98

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Solution

The fourth proportional to 40,025,862.48, 55,235,737.48 and 21,691,147.98 is: 29,933,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025,862.48 : 55,235,737.48 = 21,691,147.98 : x
  2. Step 2: Convert to fraction form
    40,025,862.48/55,235,737.48 = 21,691,147.98/x
  3. Step 3: Cross multiply
    40,025,862.48x = 55,235,737.48 × 21,691,147.98
  4. Step 4: Simplify right side
    40,025,862.48x = 1,198,126,555,463,112.25
  5. Step 5: Solve for x
    x = 1,198,126,555,463,112.25/40,025,862.48
  6. Step 6: Final answer
    x = 29,933,809.82

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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.