Home / 18,127,169.92-25,015,468.49-9,867,206.66

Finding the Fourth Proportional to 18,127,169.92, 25,015,468.49 and 9,867,206.66

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Solution

The fourth proportional to 18,127,169.92, 25,015,468.49 and 9,867,206.66 is: 13,616,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,169.92 : 25,015,468.49 = 9,867,206.66 : x
  2. Step 2: Convert to fraction form
    18,127,169.92/25,015,468.49 = 9,867,206.66/x
  3. Step 3: Cross multiply
    18,127,169.92x = 25,015,468.49 × 9,867,206.66
  4. Step 4: Simplify right side
    18,127,169.92x = 246,832,797,287,548.12
  5. Step 5: Solve for x
    x = 246,832,797,287,548.12/18,127,169.92
  6. Step 6: Final answer
    x = 13,616,731.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.