Home / 8,149,339.20-12,224,008.80-7,228,174.80

Finding the Fourth Proportional to 8,149,339.20, 12,224,008.80 and 7,228,174.80

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Solution

The fourth proportional to 8,149,339.20, 12,224,008.80 and 7,228,174.80 is: 10,842,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,339.20 : 12,224,008.80 = 7,228,174.80 : x
  2. Step 2: Convert to fraction form
    8,149,339.20/12,224,008.80 = 7,228,174.80/x
  3. Step 3: Cross multiply
    8,149,339.20x = 12,224,008.80 × 7,228,174.80
  4. Step 4: Simplify right side
    8,149,339.20x = 88,357,272,363,138.25
  5. Step 5: Solve for x
    x = 88,357,272,363,138.25/8,149,339.20
  6. Step 6: Final answer
    x = 10,842,262.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.