Home / 41,011,936.40-61,468,138.20-18,268,691.60

Finding the Fourth Proportional to 41,011,936.40, 61,468,138.20 and 18,268,691.60

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Solution

The fourth proportional to 41,011,936.40, 61,468,138.20 and 18,268,691.60 is: 27,380,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,011,936.40 : 61,468,138.20 = 18,268,691.60 : x
  2. Step 2: Convert to fraction form
    41,011,936.40/61,468,138.20 = 18,268,691.60/x
  3. Step 3: Cross multiply
    41,011,936.40x = 61,468,138.20 × 18,268,691.60
  4. Step 4: Simplify right side
    41,011,936.40x = 1,122,942,460,001,979.25
  5. Step 5: Solve for x
    x = 1,122,942,460,001,979.25/41,011,936.40
  6. Step 6: Final answer
    x = 27,380,869.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.