Home / 12,177,406.97-18,240,691.97-7,304,258.91

Finding the Fourth Proportional to 12,177,406.97, 18,240,691.97 and 7,304,258.91

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Solution

The fourth proportional to 12,177,406.97, 18,240,691.97 and 7,304,258.91 is: 10,941,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,406.97 : 18,240,691.97 = 7,304,258.91 : x
  2. Step 2: Convert to fraction form
    12,177,406.97/18,240,691.97 = 7,304,258.91/x
  3. Step 3: Cross multiply
    12,177,406.97x = 18,240,691.97 × 7,304,258.91
  4. Step 4: Simplify right side
    12,177,406.97x = 133,234,736,809,916.66
  5. Step 5: Solve for x
    x = 133,234,736,809,916.66/12,177,406.97
  6. Step 6: Final answer
    x = 10,941,141.84

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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.