Home / 20,672,617.37-31,006,559.97-5,527,729.85

Finding the Fourth Proportional to 20,672,617.37, 31,006,559.97 and 5,527,729.85

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Solution

The fourth proportional to 20,672,617.37, 31,006,559.97 and 5,527,729.85 is: 8,290,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,617.37 : 31,006,559.97 = 5,527,729.85 : x
  2. Step 2: Convert to fraction form
    20,672,617.37/31,006,559.97 = 5,527,729.85/x
  3. Step 3: Cross multiply
    20,672,617.37x = 31,006,559.97 × 5,527,729.85
  4. Step 4: Simplify right side
    20,672,617.37x = 171,395,886,936,951.28
  5. Step 5: Solve for x
    x = 171,395,886,936,951.28/20,672,617.37
  6. Step 6: Final answer
    x = 8,290,962.09

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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.