Home / 13,269,201.78-18,304,474.92-9,132,050.28

Finding the Fourth Proportional to 13,269,201.78, 18,304,474.92 and 9,132,050.28

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Solution

The fourth proportional to 13,269,201.78, 18,304,474.92 and 9,132,050.28 is: 12,597,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,201.78 : 18,304,474.92 = 9,132,050.28 : x
  2. Step 2: Convert to fraction form
    13,269,201.78/18,304,474.92 = 9,132,050.28/x
  3. Step 3: Cross multiply
    13,269,201.78x = 18,304,474.92 × 9,132,050.28
  4. Step 4: Simplify right side
    13,269,201.78x = 167,157,385,318,438.97
  5. Step 5: Solve for x
    x = 167,157,385,318,438.97/13,269,201.78
  6. Step 6: Final answer
    x = 12,597,395.69

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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.