Home / 20,469,757.78-30,719,451.98-8,007,801.27

Finding the Fourth Proportional to 20,469,757.78, 30,719,451.98 and 8,007,801.27

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Solution

The fourth proportional to 20,469,757.78, 30,719,451.98 and 8,007,801.27 is: 12,017,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,757.78 : 30,719,451.98 = 8,007,801.27 : x
  2. Step 2: Convert to fraction form
    20,469,757.78/30,719,451.98 = 8,007,801.27/x
  3. Step 3: Cross multiply
    20,469,757.78x = 30,719,451.98 × 8,007,801.27
  4. Step 4: Simplify right side
    20,469,757.78x = 245,995,266,579,148
  5. Step 5: Solve for x
    x = 245,995,266,579,148/20,469,757.78
  6. Step 6: Final answer
    x = 12,017,497.68

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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.