Home / 18,944,081.20-28,416,121.80-9,364,049.20

Finding the Fourth Proportional to 18,944,081.20, 28,416,121.80 and 9,364,049.20

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Solution

The fourth proportional to 18,944,081.20, 28,416,121.80 and 9,364,049.20 is: 14,046,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944,081.20 : 28,416,121.80 = 9,364,049.20 : x
  2. Step 2: Convert to fraction form
    18,944,081.20/28,416,121.80 = 9,364,049.20/x
  3. Step 3: Cross multiply
    18,944,081.20x = 28,416,121.80 × 9,364,049.20
  4. Step 4: Simplify right side
    18,944,081.20x = 266,089,962,608,392.53
  5. Step 5: Solve for x
    x = 266,089,962,608,392.53/18,944,081.20
  6. Step 6: Final answer
    x = 14,046,073.80

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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.