Home / 18,207,220.80-27,318,704.40-9,231,772.80

Finding the Fourth Proportional to 18,207,220.80, 27,318,704.40 and 9,231,772.80

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Solution

The fourth proportional to 18,207,220.80, 27,318,704.40 and 9,231,772.80 is: 13,851,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207,220.80 : 27,318,704.40 = 9,231,772.80 : x
  2. Step 2: Convert to fraction form
    18,207,220.80/27,318,704.40 = 9,231,772.80/x
  3. Step 3: Cross multiply
    18,207,220.80x = 27,318,704.40 × 9,231,772.80
  4. Step 4: Simplify right side
    18,207,220.80x = 252,200,072,211,160.31
  5. Step 5: Solve for x
    x = 252,200,072,211,160.31/18,207,220.80
  6. Step 6: Final answer
    x = 13,851,651.22

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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.