Home / 28,729,390.80-43,094,086.20-17,391,982.80

Finding the Fourth Proportional to 28,729,390.80, 43,094,086.20 and 17,391,982.80

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Solution

The fourth proportional to 28,729,390.80, 43,094,086.20 and 17,391,982.80 is: 26,087,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729,390.80 : 43,094,086.20 = 17,391,982.80 : x
  2. Step 2: Convert to fraction form
    28,729,390.80/43,094,086.20 = 17,391,982.80/x
  3. Step 3: Cross multiply
    28,729,390.80x = 43,094,086.20 × 17,391,982.80
  4. Step 4: Simplify right side
    28,729,390.80x = 749,491,605,972,117.50
  5. Step 5: Solve for x
    x = 749,491,605,972,117.50/28,729,390.80
  6. Step 6: Final answer
    x = 26,087,974.20

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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.