Home / 8,065,722.30-12,098,583.45-7,449,863.10

Finding the Fourth Proportional to 8,065,722.30, 12,098,583.45 and 7,449,863.10

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Solution

The fourth proportional to 8,065,722.30, 12,098,583.45 and 7,449,863.10 is: 11,174,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,722.30 : 12,098,583.45 = 7,449,863.10 : x
  2. Step 2: Convert to fraction form
    8,065,722.30/12,098,583.45 = 7,449,863.10/x
  3. Step 3: Cross multiply
    8,065,722.30x = 12,098,583.45 × 7,449,863.10
  4. Step 4: Simplify right side
    8,065,722.30x = 90,132,790,406,425.69
  5. Step 5: Solve for x
    x = 90,132,790,406,425.69/8,065,722.30
  6. Step 6: Final answer
    x = 11,174,794.65

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Double scale
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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.