Home / 12,057,383.70-16,639,378.38-6,550,867.62

Finding the Fourth Proportional to 12,057,383.70, 16,639,378.38 and 6,550,867.62

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Solution

The fourth proportional to 12,057,383.70, 16,639,378.38 and 6,550,867.62 is: 9,040,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057,383.70 : 16,639,378.38 = 6,550,867.62 : x
  2. Step 2: Convert to fraction form
    12,057,383.70/16,639,378.38 = 6,550,867.62/x
  3. Step 3: Cross multiply
    12,057,383.70x = 16,639,378.38 × 6,550,867.62
  4. Step 4: Simplify right side
    12,057,383.70x = 109,002,365,046,470.06
  5. Step 5: Solve for x
    x = 109,002,365,046,470.06/12,057,383.70
  6. Step 6: Final answer
    x = 9,040,299.93

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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.