Home / 8,664,752.20-13,025,121.90-7,992,905.80

Finding the Fourth Proportional to 8,664,752.20, 13,025,121.90 and 7,992,905.80

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Solution

The fourth proportional to 8,664,752.20, 13,025,121.90 and 7,992,905.80 is: 12,015,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664,752.20 : 13,025,121.90 = 7,992,905.80 : x
  2. Step 2: Convert to fraction form
    8,664,752.20/13,025,121.90 = 7,992,905.80/x
  3. Step 3: Cross multiply
    8,664,752.20x = 13,025,121.90 × 7,992,905.80
  4. Step 4: Simplify right side
    8,664,752.20x = 104,108,572,380,217.02
  5. Step 5: Solve for x
    x = 104,108,572,380,217.02/8,664,752.20
  6. Step 6: Final answer
    x = 12,015,181.74

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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.