Home / 18,821,531.20-28,232,296.80-11,244,596.80

Finding the Fourth Proportional to 18,821,531.20, 28,232,296.80 and 11,244,596.80

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Solution

The fourth proportional to 18,821,531.20, 28,232,296.80 and 11,244,596.80 is: 16,866,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,531.20 : 28,232,296.80 = 11,244,596.80 : x
  2. Step 2: Convert to fraction form
    18,821,531.20/28,232,296.80 = 11,244,596.80/x
  3. Step 3: Cross multiply
    18,821,531.20x = 28,232,296.80 × 11,244,596.80
  4. Step 4: Simplify right side
    18,821,531.20x = 317,460,794,253,930.25
  5. Step 5: Solve for x
    x = 317,460,794,253,930.25/18,821,531.20
  6. Step 6: Final answer
    x = 16,866,895.20

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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.