Home / 40,025,847.57-55,235,716.88-21,691,133.07

Finding the Fourth Proportional to 40,025,847.57, 55,235,716.88 and 21,691,133.07

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Solution

The fourth proportional to 40,025,847.57, 55,235,716.88 and 21,691,133.07 is: 29,933,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025,847.57 : 55,235,716.88 = 21,691,133.07 : x
  2. Step 2: Convert to fraction form
    40,025,847.57/55,235,716.88 = 21,691,133.07/x
  3. Step 3: Cross multiply
    40,025,847.57x = 55,235,716.88 × 21,691,133.07
  4. Step 4: Simplify right side
    40,025,847.57x = 1,198,125,284,867,348.25
  5. Step 5: Solve for x
    x = 1,198,125,284,867,348.25/40,025,847.57
  6. Step 6: Final answer
    x = 29,933,789.23

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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.