Home / 8,271,728.20-12,407,592.30-5,986,531.90

Finding the Fourth Proportional to 8,271,728.20, 12,407,592.30 and 5,986,531.90

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Solution

The fourth proportional to 8,271,728.20, 12,407,592.30 and 5,986,531.90 is: 8,979,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,728.20 : 12,407,592.30 = 5,986,531.90 : x
  2. Step 2: Convert to fraction form
    8,271,728.20/12,407,592.30 = 5,986,531.90/x
  3. Step 3: Cross multiply
    8,271,728.20x = 12,407,592.30 × 5,986,531.90
  4. Step 4: Simplify right side
    8,271,728.20x = 74,278,447,106,144.38
  5. Step 5: Solve for x
    x = 74,278,447,106,144.38/8,271,728.20
  6. Step 6: Final answer
    x = 8,979,797.85

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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.