Home / 18,127,170.54-25,015,469.36-9,867,207.29

Finding the Fourth Proportional to 18,127,170.54, 25,015,469.36 and 9,867,207.29

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Solution

The fourth proportional to 18,127,170.54, 25,015,469.36 and 9,867,207.29 is: 13,616,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,170.54 : 25,015,469.36 = 9,867,207.29 : x
  2. Step 2: Convert to fraction form
    18,127,170.54/25,015,469.36 = 9,867,207.29/x
  3. Step 3: Cross multiply
    18,127,170.54x = 25,015,469.36 × 9,867,207.29
  4. Step 4: Simplify right side
    18,127,170.54x = 246,832,821,457,350.25
  5. Step 5: Solve for x
    x = 246,832,821,457,350.25/18,127,170.54
  6. Step 6: Final answer
    x = 13,616,731.91

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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.