Home / 8,319,085.94-12,479,072.11-2,639,754.74

Finding the Fourth Proportional to 8,319,085.94, 12,479,072.11 and 2,639,754.74

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Solution

The fourth proportional to 8,319,085.94, 12,479,072.11 and 2,639,754.74 is: 3,959,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,085.94 : 12,479,072.11 = 2,639,754.74 : x
  2. Step 2: Convert to fraction form
    8,319,085.94/12,479,072.11 = 2,639,754.74/x
  3. Step 3: Cross multiply
    8,319,085.94x = 12,479,072.11 × 2,639,754.74
  4. Step 4: Simplify right side
    8,319,085.94x = 32,941,689,753,174.30
  5. Step 5: Solve for x
    x = 32,941,689,753,174.30/8,319,085.94
  6. Step 6: Final answer
    x = 3,959,772.74

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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.