Home / 8,321,110.30-12,481,665.45-6,809,455.90

Finding the Fourth Proportional to 8,321,110.30, 12,481,665.45 and 6,809,455.90

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Solution

The fourth proportional to 8,321,110.30, 12,481,665.45 and 6,809,455.90 is: 10,214,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,110.30 : 12,481,665.45 = 6,809,455.90 : x
  2. Step 2: Convert to fraction form
    8,321,110.30/12,481,665.45 = 6,809,455.90/x
  3. Step 3: Cross multiply
    8,321,110.30x = 12,481,665.45 × 6,809,455.90
  4. Step 4: Simplify right side
    8,321,110.30x = 84,993,350,440,328.66
  5. Step 5: Solve for x
    x = 84,993,350,440,328.66/8,321,110.30
  6. Step 6: Final answer
    x = 10,214,183.85

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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.