Home / 18,126,469.98-25,015,188.66-9,866,133.03

Finding the Fourth Proportional to 18,126,469.98, 25,015,188.66 and 9,866,133.03

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Solution

The fourth proportional to 18,126,469.98, 25,015,188.66 and 9,866,133.03 is: 13,615,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,469.98 : 25,015,188.66 = 9,866,133.03 : x
  2. Step 2: Convert to fraction form
    18,126,469.98/25,015,188.66 = 9,866,133.03/x
  3. Step 3: Cross multiply
    18,126,469.98x = 25,015,188.66 × 9,866,133.03
  4. Step 4: Simplify right side
    18,126,469.98x = 246,803,179,090,107.44
  5. Step 5: Solve for x
    x = 246,803,179,090,107.44/18,126,469.98
  6. Step 6: Final answer
    x = 13,615,622.86

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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.