Home / 8,303,839.20-12,449,853.09-3,181,928.94

Finding the Fourth Proportional to 8,303,839.20, 12,449,853.09 and 3,181,928.94

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Solution

The fourth proportional to 8,303,839.20, 12,449,853.09 and 3,181,928.94 is: 4,770,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,839.20 : 12,449,853.09 = 3,181,928.94 : x
  2. Step 2: Convert to fraction form
    8,303,839.20/12,449,853.09 = 3,181,928.94/x
  3. Step 3: Cross multiply
    8,303,839.20x = 12,449,853.09 × 3,181,928.94
  4. Step 4: Simplify right side
    8,303,839.20x = 39,614,547,845,819.42
  5. Step 5: Solve for x
    x = 39,614,547,845,819.42/8,303,839.20
  6. Step 6: Final answer
    x = 4,770,630.41

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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.