Home / 18,148,972.44-27,236,028.21-7,218,040.11

Finding the Fourth Proportional to 18,148,972.44, 27,236,028.21 and 7,218,040.11

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Solution

The fourth proportional to 18,148,972.44, 27,236,028.21 and 7,218,040.11 is: 10,832,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,972.44 : 27,236,028.21 = 7,218,040.11 : x
  2. Step 2: Convert to fraction form
    18,148,972.44/27,236,028.21 = 7,218,040.11/x
  3. Step 3: Cross multiply
    18,148,972.44x = 27,236,028.21 × 7,218,040.11
  4. Step 4: Simplify right side
    18,148,972.44x = 196,590,743,968,270.22
  5. Step 5: Solve for x
    x = 196,590,743,968,270.22/18,148,972.44
  6. Step 6: Final answer
    x = 10,832,059.21

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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.