Home / 8,119,144.08-11,204,021.39-4,448,078.69

Finding the Fourth Proportional to 8,119,144.08, 11,204,021.39 and 4,448,078.69

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Solution

The fourth proportional to 8,119,144.08, 11,204,021.39 and 4,448,078.69 is: 6,138,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,144.08 : 11,204,021.39 = 4,448,078.69 : x
  2. Step 2: Convert to fraction form
    8,119,144.08/11,204,021.39 = 4,448,078.69/x
  3. Step 3: Cross multiply
    8,119,144.08x = 11,204,021.39 × 4,448,078.69
  4. Step 4: Simplify right side
    8,119,144.08x = 49,836,368,708,902.67
  5. Step 5: Solve for x
    x = 49,836,368,708,902.67/8,119,144.08
  6. Step 6: Final answer
    x = 6,138,130.84

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.