Home / 40,025,860.87-55,235,735.22-21,691,146.37

Finding the Fourth Proportional to 40,025,860.87, 55,235,735.22 and 21,691,146.37

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Solution

The fourth proportional to 40,025,860.87, 55,235,735.22 and 21,691,146.37 is: 29,933,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025,860.87 : 55,235,735.22 = 21,691,146.37 : x
  2. Step 2: Convert to fraction form
    40,025,860.87/55,235,735.22 = 21,691,146.37/x
  3. Step 3: Cross multiply
    40,025,860.87x = 55,235,735.22 × 21,691,146.37
  4. Step 4: Simplify right side
    40,025,860.87x = 1,198,126,417,511,584.25
  5. Step 5: Solve for x
    x = 1,198,126,417,511,584.25/40,025,860.87
  6. Step 6: Final answer
    x = 29,933,807.58

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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.