Home / 7,820,081.48-11,731,755.18-2,428,591.88

Finding the Fourth Proportional to 7,820,081.48, 11,731,755.18 and 2,428,591.88

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Solution

The fourth proportional to 7,820,081.48, 11,731,755.18 and 2,428,591.88 is: 3,643,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,081.48 : 11,731,755.18 = 2,428,591.88 : x
  2. Step 2: Convert to fraction form
    7,820,081.48/11,731,755.18 = 2,428,591.88/x
  3. Step 3: Cross multiply
    7,820,081.48x = 11,731,755.18 × 2,428,591.88
  4. Step 4: Simplify right side
    7,820,081.48x = 28,491,645,368,295.94
  5. Step 5: Solve for x
    x = 28,491,645,368,295.94/7,820,081.48
  6. Step 6: Final answer
    x = 3,643,394.95

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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.