Home / 20,274,924.82-27,979,164.60-10,982,319.70

Finding the Fourth Proportional to 20,274,924.82, 27,979,164.60 and 10,982,319.70

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Solution

The fourth proportional to 20,274,924.82, 27,979,164.60 and 10,982,319.70 is: 15,155,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274,924.82 : 27,979,164.60 = 10,982,319.70 : x
  2. Step 2: Convert to fraction form
    20,274,924.82/27,979,164.60 = 10,982,319.70/x
  3. Step 3: Cross multiply
    20,274,924.82x = 27,979,164.60 × 10,982,319.70
  4. Step 4: Simplify right side
    20,274,924.82x = 307,276,130,576,122.62
  5. Step 5: Solve for x
    x = 307,276,130,576,122.62/20,274,924.82
  6. Step 6: Final answer
    x = 15,155,475.71

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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.