Home / 12,535,513.50-17,293,654.92-8,661,308.61

Finding the Fourth Proportional to 12,535,513.50, 17,293,654.92 and 8,661,308.61

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Solution

The fourth proportional to 12,535,513.50, 17,293,654.92 and 8,661,308.61 is: 11,948,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535,513.50 : 17,293,654.92 = 8,661,308.61 : x
  2. Step 2: Convert to fraction form
    12,535,513.50/17,293,654.92 = 8,661,308.61/x
  3. Step 3: Cross multiply
    12,535,513.50x = 17,293,654.92 × 8,661,308.61
  4. Step 4: Simplify right side
    12,535,513.50x = 149,785,682,256,964.88
  5. Step 5: Solve for x
    x = 149,785,682,256,964.88/12,535,513.50
  6. Step 6: Final answer
    x = 11,948,906.78

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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.