Home / 8,321,311.20-12,474,093.60-4,912,215.60

Finding the Fourth Proportional to 8,321,311.20, 12,474,093.60 and 4,912,215.60

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Solution

The fourth proportional to 8,321,311.20, 12,474,093.60 and 4,912,215.60 is: 7,363,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,311.20 : 12,474,093.60 = 4,912,215.60 : x
  2. Step 2: Convert to fraction form
    8,321,311.20/12,474,093.60 = 4,912,215.60/x
  3. Step 3: Cross multiply
    8,321,311.20x = 12,474,093.60 × 4,912,215.60
  4. Step 4: Simplify right side
    8,321,311.20x = 61,275,437,177,780.16
  5. Step 5: Solve for x
    x = 61,275,437,177,780.16/8,321,311.20
  6. Step 6: Final answer
    x = 7,363,675.71

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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.