Home / 11,873,685.71-16,385,717.85-6,441,177.71

Finding the Fourth Proportional to 11,873,685.71, 16,385,717.85 and 6,441,177.71

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Solution

The fourth proportional to 11,873,685.71, 16,385,717.85 and 6,441,177.71 is: 8,888,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873,685.71 : 16,385,717.85 = 6,441,177.71 : x
  2. Step 2: Convert to fraction form
    11,873,685.71/16,385,717.85 = 6,441,177.71/x
  3. Step 3: Cross multiply
    11,873,685.71x = 16,385,717.85 × 6,441,177.71
  4. Step 4: Simplify right side
    11,873,685.71x = 105,543,320,577,769.12
  5. Step 5: Solve for x
    x = 105,543,320,577,769.12/11,873,685.71
  6. Step 6: Final answer
    x = 8,888,842.37

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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.