Home / 20,147,016.30-30,220,524.45-14,520,302.70

Finding the Fourth Proportional to 20,147,016.30, 30,220,524.45 and 14,520,302.70

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Solution

The fourth proportional to 20,147,016.30, 30,220,524.45 and 14,520,302.70 is: 21,780,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,016.30 : 30,220,524.45 = 14,520,302.70 : x
  2. Step 2: Convert to fraction form
    20,147,016.30/30,220,524.45 = 14,520,302.70/x
  3. Step 3: Cross multiply
    20,147,016.30x = 30,220,524.45 × 14,520,302.70
  4. Step 4: Simplify right side
    20,147,016.30x = 438,811,162,766,751
  5. Step 5: Solve for x
    x = 438,811,162,766,751/20,147,016.30
  6. Step 6: Final answer
    x = 21,780,454.05

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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.