Home / 12,167,827.20-18,252,691.20-5,436,921.60

Finding the Fourth Proportional to 12,167,827.20, 18,252,691.20 and 5,436,921.60

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Solution

The fourth proportional to 12,167,827.20, 18,252,691.20 and 5,436,921.60 is: 8,155,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167,827.20 : 18,252,691.20 = 5,436,921.60 : x
  2. Step 2: Convert to fraction form
    12,167,827.20/18,252,691.20 = 5,436,921.60/x
  3. Step 3: Cross multiply
    12,167,827.20x = 18,252,691.20 × 5,436,921.60
  4. Step 4: Simplify right side
    12,167,827.20x = 99,238,451,043,409.91
  5. Step 5: Solve for x
    x = 99,238,451,043,409.91/12,167,827.20
  6. Step 6: Final answer
    x = 8,155,807.06

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1.5x scale

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.