Home / 11,781,305.71-17,669,884.96-3,145,513.39

Finding the Fourth Proportional to 11,781,305.71, 17,669,884.96 and 3,145,513.39

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Solution

The fourth proportional to 11,781,305.71, 17,669,884.96 and 3,145,513.39 is: 4,717,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781,305.71 : 17,669,884.96 = 3,145,513.39 : x
  2. Step 2: Convert to fraction form
    11,781,305.71/17,669,884.96 = 3,145,513.39/x
  3. Step 3: Cross multiply
    11,781,305.71x = 17,669,884.96 × 3,145,513.39
  4. Step 4: Simplify right side
    11,781,305.71x = 55,580,859,741,439.62
  5. Step 5: Solve for x
    x = 55,580,859,741,439.62/11,781,305.71
  6. Step 6: Final answer
    x = 4,717,716.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.