Home / 12,067,957.30-18,122,931.15-6,399,253.30

Finding the Fourth Proportional to 12,067,957.30, 18,122,931.15 and 6,399,253.30

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Solution

The fourth proportional to 12,067,957.30, 18,122,931.15 and 6,399,253.30 is: 9,610,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,957.30 : 18,122,931.15 = 6,399,253.30 : x
  2. Step 2: Convert to fraction form
    12,067,957.30/18,122,931.15 = 6,399,253.30/x
  3. Step 3: Cross multiply
    12,067,957.30x = 18,122,931.15 × 6,399,253.30
  4. Step 4: Simplify right side
    12,067,957.30x = 115,973,226,967,310.28
  5. Step 5: Solve for x
    x = 115,973,226,967,310.28/12,067,957.30
  6. Step 6: Final answer
    x = 9,610,013.04

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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.