Home / 40,025,858.10-55,235,731.42-21,691,143.60

Finding the Fourth Proportional to 40,025,858.10, 55,235,731.42 and 21,691,143.60

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Solution

The fourth proportional to 40,025,858.10, 55,235,731.42 and 21,691,143.60 is: 29,933,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025,858.10 : 55,235,731.42 = 21,691,143.60 : x
  2. Step 2: Convert to fraction form
    40,025,858.10/55,235,731.42 = 21,691,143.60/x
  3. Step 3: Cross multiply
    40,025,858.10x = 55,235,731.42 × 21,691,143.60
  4. Step 4: Simplify right side
    40,025,858.10x = 1,198,126,181,973,796.25
  5. Step 5: Solve for x
    x = 1,198,126,181,973,796.25/40,025,858.10
  6. Step 6: Final answer
    x = 29,933,803.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.