Home / 12,394,339.79-17,086,162.03-8,661,581.93

Finding the Fourth Proportional to 12,394,339.79, 17,086,162.03 and 8,661,581.93

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Solution

The fourth proportional to 12,394,339.79, 17,086,162.03 and 8,661,581.93 is: 11,940,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,339.79 : 17,086,162.03 = 8,661,581.93 : x
  2. Step 2: Convert to fraction form
    12,394,339.79/17,086,162.03 = 8,661,581.93/x
  3. Step 3: Cross multiply
    12,394,339.79x = 17,086,162.03 × 8,661,581.93
  4. Step 4: Simplify right side
    12,394,339.79x = 147,993,192,356,469.47
  5. Step 5: Solve for x
    x = 147,993,192,356,469.47/12,394,339.79
  6. Step 6: Final answer
    x = 11,940,385.28

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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.