Home / 7,639,211.80-11,456,387.12-2,520,687.63

Finding the Fourth Proportional to 7,639,211.80, 11,456,387.12 and 2,520,687.63

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Solution

The fourth proportional to 7,639,211.80, 11,456,387.12 and 2,520,687.63 is: 3,780,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,211.80 : 11,456,387.12 = 2,520,687.63 : x
  2. Step 2: Convert to fraction form
    7,639,211.80/11,456,387.12 = 2,520,687.63/x
  3. Step 3: Cross multiply
    7,639,211.80x = 11,456,387.12 × 2,520,687.63
  4. Step 4: Simplify right side
    7,639,211.80x = 28,877,973,339,326.88
  5. Step 5: Solve for x
    x = 28,877,973,339,326.88/7,639,211.80
  6. Step 6: Final answer
    x = 3,780,229.44

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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.