Home / 8,311,147.87-12,474,385.31-4,215,343.55

Finding the Fourth Proportional to 8,311,147.87, 12,474,385.31 and 4,215,343.55

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Solution

The fourth proportional to 8,311,147.87, 12,474,385.31 and 4,215,343.55 is: 6,326,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,147.87 : 12,474,385.31 = 4,215,343.55 : x
  2. Step 2: Convert to fraction form
    8,311,147.87/12,474,385.31 = 4,215,343.55/x
  3. Step 3: Cross multiply
    8,311,147.87x = 12,474,385.31 × 4,215,343.55
  4. Step 4: Simplify right side
    8,311,147.87x = 52,583,819,627,957.32
  5. Step 5: Solve for x
    x = 52,583,819,627,957.32/8,311,147.87
  6. Step 6: Final answer
    x = 6,326,902.19

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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.