Home / 20,018,122.82-30,016,382.38-9,082,343.82

Finding the Fourth Proportional to 20,018,122.82, 30,016,382.38 and 9,082,343.82

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Solution

The fourth proportional to 20,018,122.82, 30,016,382.38 and 9,082,343.82 is: 13,618,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018,122.82 : 30,016,382.38 = 9,082,343.82 : x
  2. Step 2: Convert to fraction form
    20,018,122.82/30,016,382.38 = 9,082,343.82/x
  3. Step 3: Cross multiply
    20,018,122.82x = 30,016,382.38 × 9,082,343.82
  4. Step 4: Simplify right side
    20,018,122.82x = 272,619,105,007,749.91
  5. Step 5: Solve for x
    x = 272,619,105,007,749.91/20,018,122.82
  6. Step 6: Final answer
    x = 13,618,614.87

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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.