Home / 20,333,251.20-30,499,876.80-6,869,884.80

Finding the Fourth Proportional to 20,333,251.20, 30,499,876.80 and 6,869,884.80

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Solution

The fourth proportional to 20,333,251.20, 30,499,876.80 and 6,869,884.80 is: 10,304,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333,251.20 : 30,499,876.80 = 6,869,884.80 : x
  2. Step 2: Convert to fraction form
    20,333,251.20/30,499,876.80 = 6,869,884.80/x
  3. Step 3: Cross multiply
    20,333,251.20x = 30,499,876.80 × 6,869,884.80
  4. Step 4: Simplify right side
    20,333,251.20x = 209,530,640,030,192.62
  5. Step 5: Solve for x
    x = 209,530,640,030,192.62/20,333,251.20
  6. Step 6: Final answer
    x = 10,304,827.20

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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.