Home / 12,252,816.54-18,381,221.46-3,617,789.87

Finding the Fourth Proportional to 12,252,816.54, 18,381,221.46 and 3,617,789.87

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Solution

The fourth proportional to 12,252,816.54, 18,381,221.46 and 3,617,789.87 is: 5,427,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,816.54 : 18,381,221.46 = 3,617,789.87 : x
  2. Step 2: Convert to fraction form
    12,252,816.54/18,381,221.46 = 3,617,789.87/x
  3. Step 3: Cross multiply
    12,252,816.54x = 18,381,221.46 × 3,617,789.87
  4. Step 4: Simplify right side
    12,252,816.54x = 66,499,396,842,167.67
  5. Step 5: Solve for x
    x = 66,499,396,842,167.67/12,252,816.54
  6. Step 6: Final answer
    x = 5,427,274.34

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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.