Home / 8,138,824.05-12,208,236.08-6,255,073.65

Finding the Fourth Proportional to 8,138,824.05, 12,208,236.08 and 6,255,073.65

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Solution

The fourth proportional to 8,138,824.05, 12,208,236.08 and 6,255,073.65 is: 9,382,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,824.05 : 12,208,236.08 = 6,255,073.65 : x
  2. Step 2: Convert to fraction form
    8,138,824.05/12,208,236.08 = 6,255,073.65/x
  3. Step 3: Cross multiply
    8,138,824.05x = 12,208,236.08 × 6,255,073.65
  4. Step 4: Simplify right side
    8,138,824.05x = 76,363,415,785,711.92
  5. Step 5: Solve for x
    x = 76,363,415,785,711.92/8,138,824.05
  6. Step 6: Final answer
    x = 9,382,610.48

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Double scale
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Similar ratio
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1.5x scale

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.