Home / 18,448,469.80-27,680,577.90-8,858,912.20

Finding the Fourth Proportional to 18,448,469.80, 27,680,577.90 and 8,858,912.20

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Solution

The fourth proportional to 18,448,469.80, 27,680,577.90 and 8,858,912.20 is: 13,292,148.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448,469.80 : 27,680,577.90 = 8,858,912.20 : x
  2. Step 2: Convert to fraction form
    18,448,469.80/27,680,577.90 = 8,858,912.20/x
  3. Step 3: Cross multiply
    18,448,469.80x = 27,680,577.90 × 8,858,912.20
  4. Step 4: Simplify right side
    18,448,469.80x = 245,219,809,261,360.34
  5. Step 5: Solve for x
    x = 245,219,809,261,360.34/18,448,469.80
  6. Step 6: Final answer
    x = 13,292,148.99

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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.