Home / 12,542,935.14-17,305,371.30-7,312,240.80

Finding the Fourth Proportional to 12,542,935.14, 17,305,371.30 and 7,312,240.80

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Solution

The fourth proportional to 12,542,935.14, 17,305,371.30 and 7,312,240.80 is: 10,088,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542,935.14 : 17,305,371.30 = 7,312,240.80 : x
  2. Step 2: Convert to fraction form
    12,542,935.14/17,305,371.30 = 7,312,240.80/x
  3. Step 3: Cross multiply
    12,542,935.14x = 17,305,371.30 × 7,312,240.80
  4. Step 4: Simplify right side
    12,542,935.14x = 126,541,042,079,009.05
  5. Step 5: Solve for x
    x = 126,541,042,079,009.05/12,542,935.14
  6. Step 6: Final answer
    x = 10,088,630.82

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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.