Home / 15,078,562.56-20,797,012.44-10,440,110.52

Finding the Fourth Proportional to 15,078,562.56, 20,797,012.44 and 10,440,110.52

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Solution

The fourth proportional to 15,078,562.56, 20,797,012.44 and 10,440,110.52 is: 14,399,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078,562.56 : 20,797,012.44 = 10,440,110.52 : x
  2. Step 2: Convert to fraction form
    15,078,562.56/20,797,012.44 = 10,440,110.52/x
  3. Step 3: Cross multiply
    15,078,562.56x = 20,797,012.44 × 10,440,110.52
  4. Step 4: Simplify right side
    15,078,562.56x = 217,123,108,359,414.88
  5. Step 5: Solve for x
    x = 217,123,108,359,414.88/15,078,562.56
  6. Step 6: Final answer
    x = 14,399,456.68

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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.