Home / 20,469,794.28-30,719,506.74-8,007,837.78

Finding the Fourth Proportional to 20,469,794.28, 30,719,506.74 and 8,007,837.78

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Solution

The fourth proportional to 20,469,794.28, 30,719,506.74 and 8,007,837.78 is: 12,017,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,794.28 : 30,719,506.74 = 8,007,837.78 : x
  2. Step 2: Convert to fraction form
    20,469,794.28/30,719,506.74 = 8,007,837.78/x
  3. Step 3: Cross multiply
    20,469,794.28x = 30,719,506.74 × 8,007,837.78
  4. Step 4: Simplify right side
    20,469,794.28x = 245,996,826,655,536.62
  5. Step 5: Solve for x
    x = 245,996,826,655,536.62/20,469,794.28
  6. Step 6: Final answer
    x = 12,017,552.46

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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.