Home / 8,305,347.70-12,458,021.55-8,193,373.30

Finding the Fourth Proportional to 8,305,347.70, 12,458,021.55 and 8,193,373.30

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Solution

The fourth proportional to 8,305,347.70, 12,458,021.55 and 8,193,373.30 is: 12,290,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,347.70 : 12,458,021.55 = 8,193,373.30 : x
  2. Step 2: Convert to fraction form
    8,305,347.70/12,458,021.55 = 8,193,373.30/x
  3. Step 3: Cross multiply
    8,305,347.70x = 12,458,021.55 × 8,193,373.30
  4. Step 4: Simplify right side
    8,305,347.70x = 102,073,221,138,594.62
  5. Step 5: Solve for x
    x = 102,073,221,138,594.62/8,305,347.70
  6. Step 6: Final answer
    x = 12,290,059.95

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Similar ratio
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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.