Home / 8,300,990.48-12,451,867.32-2,543,311.76

Finding the Fourth Proportional to 8,300,990.48, 12,451,867.32 and 2,543,311.76

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Solution

The fourth proportional to 8,300,990.48, 12,451,867.32 and 2,543,311.76 is: 3,815,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,990.48 : 12,451,867.32 = 2,543,311.76 : x
  2. Step 2: Convert to fraction form
    8,300,990.48/12,451,867.32 = 2,543,311.76/x
  3. Step 3: Cross multiply
    8,300,990.48x = 12,451,867.32 × 2,543,311.76
  4. Step 4: Simplify right side
    8,300,990.48x = 31,668,980,588,915.68
  5. Step 5: Solve for x
    x = 31,668,980,588,915.68/8,300,990.48
  6. Step 6: Final answer
    x = 3,815,084.56

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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.