Home / 8,647,469.28-12,952,308.24-4,380,311.52

Finding the Fourth Proportional to 8,647,469.28, 12,952,308.24 and 4,380,311.52

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Solution

The fourth proportional to 8,647,469.28, 12,952,308.24 and 4,380,311.52 is: 6,560,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,469.28 : 12,952,308.24 = 4,380,311.52 : x
  2. Step 2: Convert to fraction form
    8,647,469.28/12,952,308.24 = 4,380,311.52/x
  3. Step 3: Cross multiply
    8,647,469.28x = 12,952,308.24 × 4,380,311.52
  4. Step 4: Simplify right side
    8,647,469.28x = 56,735,144,994,262.92
  5. Step 5: Solve for x
    x = 56,735,144,994,262.92/8,647,469.28
  6. Step 6: Final answer
    x = 6,560,895.81

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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.