Home / 18,942,851.30-28,372,286.55-11,384,579.30

Finding the Fourth Proportional to 18,942,851.30, 28,372,286.55 and 11,384,579.30

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Solution

The fourth proportional to 18,942,851.30, 28,372,286.55 and 11,384,579.30 is: 17,051,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942,851.30 : 28,372,286.55 = 11,384,579.30 : x
  2. Step 2: Convert to fraction form
    18,942,851.30/28,372,286.55 = 11,384,579.30/x
  3. Step 3: Cross multiply
    18,942,851.30x = 28,372,286.55 × 11,384,579.30
  4. Step 4: Simplify right side
    18,942,851.30x = 323,006,546,150,798.44
  5. Step 5: Solve for x
    x = 323,006,546,150,798.44/18,942,851.30
  6. Step 6: Final answer
    x = 17,051,632.88

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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.