Home / 18,745,003.82-25,861,840.20-10,902,851.36

Finding the Fourth Proportional to 18,745,003.82, 25,861,840.20 and 10,902,851.36

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Solution

The fourth proportional to 18,745,003.82, 25,861,840.20 and 10,902,851.36 is: 15,042,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745,003.82 : 25,861,840.20 = 10,902,851.36 : x
  2. Step 2: Convert to fraction form
    18,745,003.82/25,861,840.20 = 10,902,851.36/x
  3. Step 3: Cross multiply
    18,745,003.82x = 25,861,840.20 × 10,902,851.36
  4. Step 4: Simplify right side
    18,745,003.82x = 281,967,799,596,672.62
  5. Step 5: Solve for x
    x = 281,967,799,596,672.62/18,745,003.82
  6. Step 6: Final answer
    x = 15,042,290.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.