Home / 20,469,756.78-30,719,450.48-8,007,800.27

Finding the Fourth Proportional to 20,469,756.78, 30,719,450.48 and 8,007,800.27

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Solution

The fourth proportional to 20,469,756.78, 30,719,450.48 and 8,007,800.27 is: 12,017,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,756.78 : 30,719,450.48 = 8,007,800.27 : x
  2. Step 2: Convert to fraction form
    20,469,756.78/30,719,450.48 = 8,007,800.27/x
  3. Step 3: Cross multiply
    20,469,756.78x = 30,719,450.48 × 8,007,800.27
  4. Step 4: Simplify right side
    20,469,756.78x = 245,995,223,654,359.38
  5. Step 5: Solve for x
    x = 245,995,223,654,359.38/20,469,756.78
  6. Step 6: Final answer
    x = 12,017,496.17

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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.