Home / 12,785,498.76-17,644,524.66-7,352,995.08

Finding the Fourth Proportional to 12,785,498.76, 17,644,524.66 and 7,352,995.08

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Solution

The fourth proportional to 12,785,498.76, 17,644,524.66 and 7,352,995.08 is: 10,147,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,498.76 : 17,644,524.66 = 7,352,995.08 : x
  2. Step 2: Convert to fraction form
    12,785,498.76/17,644,524.66 = 7,352,995.08/x
  3. Step 3: Cross multiply
    12,785,498.76x = 17,644,524.66 × 7,352,995.08
  4. Step 4: Simplify right side
    12,785,498.76x = 129,740,103,013,918.67
  5. Step 5: Solve for x
    x = 129,740,103,013,918.67/12,785,498.76
  6. Step 6: Final answer
    x = 10,147,441.68

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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.