Home / 7,372,425.80-11,058,629.16-1,981,076.28

Finding the Fourth Proportional to 7,372,425.80, 11,058,629.16 and 1,981,076.28

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Solution

The fourth proportional to 7,372,425.80, 11,058,629.16 and 1,981,076.28 is: 2,971,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,425.80 : 11,058,629.16 = 1,981,076.28 : x
  2. Step 2: Convert to fraction form
    7,372,425.80/11,058,629.16 = 1,981,076.28/x
  3. Step 3: Cross multiply
    7,372,425.80x = 11,058,629.16 × 1,981,076.28
  4. Step 4: Simplify right side
    7,372,425.80x = 21,907,987,918,192.32
  5. Step 5: Solve for x
    x = 21,907,987,918,192.32/7,372,425.80
  6. Step 6: Final answer
    x = 2,971,611.86

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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.