Home / 12,305,221.29-16,981,383.59-6,798,723

Finding the Fourth Proportional to 12,305,221.29, 16,981,383.59 and 6,798,723

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Solution

The fourth proportional to 12,305,221.29, 16,981,383.59 and 6,798,723 is: 9,382,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,221.29 : 16,981,383.59 = 6,798,723 : x
  2. Step 2: Convert to fraction form
    12,305,221.29/16,981,383.59 = 6,798,723/x
  3. Step 3: Cross multiply
    12,305,221.29x = 16,981,383.59 × 6,798,723
  4. Step 4: Simplify right side
    12,305,221.29x = 115,451,723,151,161.97
  5. Step 5: Solve for x
    x = 115,451,723,151,161.97/12,305,221.29
  6. Step 6: Final answer
    x = 9,382,336.20

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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.