Home / 12,481,028.20-18,693,548.70-10,241,540.20

Finding the Fourth Proportional to 12,481,028.20, 18,693,548.70 and 10,241,540.20

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Solution

The fourth proportional to 12,481,028.20, 18,693,548.70 and 10,241,540.20 is: 15,339,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,028.20 : 18,693,548.70 = 10,241,540.20 : x
  2. Step 2: Convert to fraction form
    12,481,028.20/18,693,548.70 = 10,241,540.20/x
  3. Step 3: Cross multiply
    12,481,028.20x = 18,693,548.70 × 10,241,540.20
  4. Step 4: Simplify right side
    12,481,028.20x = 191,450,730,491,707.72
  5. Step 5: Solve for x
    x = 191,450,730,491,707.72/12,481,028.20
  6. Step 6: Final answer
    x = 15,339,339.63

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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.