Home / 18,427,340.40-27,641,005.20-9,895,940.88

Finding the Fourth Proportional to 18,427,340.40, 27,641,005.20 and 9,895,940.88

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Solution

The fourth proportional to 18,427,340.40, 27,641,005.20 and 9,895,940.88 is: 14,843,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427,340.40 : 27,641,005.20 = 9,895,940.88 : x
  2. Step 2: Convert to fraction form
    18,427,340.40/27,641,005.20 = 9,895,940.88/x
  3. Step 3: Cross multiply
    18,427,340.40x = 27,641,005.20 × 9,895,940.88
  4. Step 4: Simplify right side
    18,427,340.40x = 273,533,753,322,972.59
  5. Step 5: Solve for x
    x = 273,533,753,322,972.59/18,427,340.40
  6. Step 6: Final answer
    x = 14,843,908.42

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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.