Home / 8,281,190.40-12,414,397.92-3,231,326.40

Finding the Fourth Proportional to 8,281,190.40, 12,414,397.92 and 3,231,326.40

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Solution

The fourth proportional to 8,281,190.40, 12,414,397.92 and 3,231,326.40 is: 4,844,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,190.40 : 12,414,397.92 = 3,231,326.40 : x
  2. Step 2: Convert to fraction form
    8,281,190.40/12,414,397.92 = 3,231,326.40/x
  3. Step 3: Cross multiply
    8,281,190.40x = 12,414,397.92 × 3,231,326.40
  4. Step 4: Simplify right side
    8,281,190.40x = 40,114,971,739,001.09
  5. Step 5: Solve for x
    x = 40,114,971,739,001.09/8,281,190.40
  6. Step 6: Final answer
    x = 4,844,106.92

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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.