Home / 13,626,778.30-20,443,205.61-3,910,633.88

Finding the Fourth Proportional to 13,626,778.30, 20,443,205.61 and 3,910,633.88

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Solution

The fourth proportional to 13,626,778.30, 20,443,205.61 and 3,910,633.88 is: 5,866,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,778.30 : 20,443,205.61 = 3,910,633.88 : x
  2. Step 2: Convert to fraction form
    13,626,778.30/20,443,205.61 = 3,910,633.88/x
  3. Step 3: Cross multiply
    13,626,778.30x = 20,443,205.61 × 3,910,633.88
  4. Step 4: Simplify right side
    13,626,778.30x = 79,945,892,372,056.03
  5. Step 5: Solve for x
    x = 79,945,892,372,056.03/13,626,778.30
  6. Step 6: Final answer
    x = 5,866,822.71

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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.