Home / 8,321,391.20-12,454,438.80-6,040,431.20

Finding the Fourth Proportional to 8,321,391.20, 12,454,438.80 and 6,040,431.20

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Solution

The fourth proportional to 8,321,391.20, 12,454,438.80 and 6,040,431.20 is: 9,040,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,391.20 : 12,454,438.80 = 6,040,431.20 : x
  2. Step 2: Convert to fraction form
    8,321,391.20/12,454,438.80 = 6,040,431.20/x
  3. Step 3: Cross multiply
    8,321,391.20x = 12,454,438.80 × 6,040,431.20
  4. Step 4: Simplify right side
    8,321,391.20x = 75,230,180,706,010.56
  5. Step 5: Solve for x
    x = 75,230,180,706,010.56/8,321,391.20
  6. Step 6: Final answer
    x = 9,040,577.34

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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.