Home / 13,479,849.60-20,219,774.40-3,895,540.80

Finding the Fourth Proportional to 13,479,849.60, 20,219,774.40 and 3,895,540.80

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Solution

The fourth proportional to 13,479,849.60, 20,219,774.40 and 3,895,540.80 is: 5,843,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,849.60 : 20,219,774.40 = 3,895,540.80 : x
  2. Step 2: Convert to fraction form
    13,479,849.60/20,219,774.40 = 3,895,540.80/x
  3. Step 3: Cross multiply
    13,479,849.60x = 20,219,774.40 × 3,895,540.80
  4. Step 4: Simplify right side
    13,479,849.60x = 78,766,956,141,995.52
  5. Step 5: Solve for x
    x = 78,766,956,141,995.52/13,479,849.60
  6. Step 6: Final answer
    x = 5,843,311.20

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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.