Home / 8,189,853.44-12,284,778.74-2,798,550.14

Finding the Fourth Proportional to 8,189,853.44, 12,284,778.74 and 2,798,550.14

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Solution

The fourth proportional to 8,189,853.44, 12,284,778.74 and 2,798,550.14 is: 4,197,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,853.44 : 12,284,778.74 = 2,798,550.14 : x
  2. Step 2: Convert to fraction form
    8,189,853.44/12,284,778.74 = 2,798,550.14/x
  3. Step 3: Cross multiply
    8,189,853.44x = 12,284,778.74 × 2,798,550.14
  4. Step 4: Simplify right side
    8,189,853.44x = 34,379,569,187,279.38
  5. Step 5: Solve for x
    x = 34,379,569,187,279.38/8,189,853.44
  6. Step 6: Final answer
    x = 4,197,824.72

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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.