Home / 20,777,738.48-28,672,729.08-11,610,456.56

Finding the Fourth Proportional to 20,777,738.48, 28,672,729.08 and 11,610,456.56

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Solution

The fourth proportional to 20,777,738.48, 28,672,729.08 and 11,610,456.56 is: 16,022,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,738.48 : 28,672,729.08 = 11,610,456.56 : x
  2. Step 2: Convert to fraction form
    20,777,738.48/28,672,729.08 = 11,610,456.56/x
  3. Step 3: Cross multiply
    20,777,738.48x = 28,672,729.08 × 11,610,456.56
  4. Step 4: Simplify right side
    20,777,738.48x = 332,903,475,439,988.75
  5. Step 5: Solve for x
    x = 332,903,475,439,988.75/20,777,738.48
  6. Step 6: Final answer
    x = 16,022,122.70

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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.