Home / 20,207,601.20-30,321,640.20-8,848,161.20

Finding the Fourth Proportional to 20,207,601.20, 30,321,640.20 and 8,848,161.20

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Solution

The fourth proportional to 20,207,601.20, 30,321,640.20 and 8,848,161.20 is: 13,276,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,601.20 : 30,321,640.20 = 8,848,161.20 : x
  2. Step 2: Convert to fraction form
    20,207,601.20/30,321,640.20 = 8,848,161.20/x
  3. Step 3: Cross multiply
    20,207,601.20x = 30,321,640.20 × 8,848,161.20
  4. Step 4: Simplify right side
    20,207,601.20x = 268,290,760,338,000.22
  5. Step 5: Solve for x
    x = 268,290,760,338,000.22/20,207,601.20
  6. Step 6: Final answer
    x = 13,276,724.82

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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.