Home / 8,311,150.12-12,474,388.68-4,215,345.80

Finding the Fourth Proportional to 8,311,150.12, 12,474,388.68 and 4,215,345.80

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Solution

The fourth proportional to 8,311,150.12, 12,474,388.68 and 4,215,345.80 is: 6,326,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,150.12 : 12,474,388.68 = 4,215,345.80 : x
  2. Step 2: Convert to fraction form
    8,311,150.12/12,474,388.68 = 4,215,345.80/x
  3. Step 3: Cross multiply
    8,311,150.12x = 12,474,388.68 × 4,215,345.80
  4. Step 4: Simplify right side
    8,311,150.12x = 52,583,861,929,805.54
  5. Step 5: Solve for x
    x = 52,583,861,929,805.54/8,311,150.12
  6. Step 6: Final answer
    x = 6,326,905.56

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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.