Home / 20,323,477.70-30,476,359.20-8,188,908.20

Finding the Fourth Proportional to 20,323,477.70, 30,476,359.20 and 8,188,908.20

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Solution

The fourth proportional to 20,323,477.70, 30,476,359.20 and 8,188,908.20 is: 12,279,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,477.70 : 30,476,359.20 = 8,188,908.20 : x
  2. Step 2: Convert to fraction form
    20,323,477.70/30,476,359.20 = 8,188,908.20/x
  3. Step 3: Cross multiply
    20,323,477.70x = 30,476,359.20 × 8,188,908.20
  4. Step 4: Simplify right side
    20,323,477.70x = 249,568,107,759,025.44
  5. Step 5: Solve for x
    x = 249,568,107,759,025.44/20,323,477.70
  6. Step 6: Final answer
    x = 12,279,793.42

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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.