Home / 20,219,449.20-30,266,188.20-14,550,745.20

Finding the Fourth Proportional to 20,219,449.20, 30,266,188.20 and 14,550,745.20

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Solution

The fourth proportional to 20,219,449.20, 30,266,188.20 and 14,550,745.20 is: 21,780,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,449.20 : 30,266,188.20 = 14,550,745.20 : x
  2. Step 2: Convert to fraction form
    20,219,449.20/30,266,188.20 = 14,550,745.20/x
  3. Step 3: Cross multiply
    20,219,449.20x = 30,266,188.20 × 14,550,745.20
  4. Step 4: Simplify right side
    20,219,449.20x = 440,395,592,673,446.62
  5. Step 5: Solve for x
    x = 440,395,592,673,446.62/20,219,449.20
  6. Step 6: Final answer
    x = 21,780,790.78

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1.5x scale

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.