Home / 40,025,863.24-55,235,738.50-21,691,148.74

Finding the Fourth Proportional to 40,025,863.24, 55,235,738.50 and 21,691,148.74

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Solution

The fourth proportional to 40,025,863.24, 55,235,738.50 and 21,691,148.74 is: 29,933,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025,863.24 : 55,235,738.50 = 21,691,148.74 : x
  2. Step 2: Convert to fraction form
    40,025,863.24/55,235,738.50 = 21,691,148.74/x
  3. Step 3: Cross multiply
    40,025,863.24x = 55,235,738.50 × 21,691,148.74
  4. Step 4: Simplify right side
    40,025,863.24x = 1,198,126,619,567,244.50
  5. Step 5: Solve for x
    x = 1,198,126,619,567,244.50/40,025,863.24
  6. Step 6: Final answer
    x = 29,933,810.86

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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.