Home / 26,987,520-40,481,246.88-8,791,685.76

Finding the Fourth Proportional to 26,987,520, 40,481,246.88 and 8,791,685.76

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Solution

The fourth proportional to 26,987,520, 40,481,246.88 and 8,791,685.76 is: 13,187,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987,520 : 40,481,246.88 = 8,791,685.76 : x
  2. Step 2: Convert to fraction form
    26,987,520/40,481,246.88 = 8,791,685.76/x
  3. Step 3: Cross multiply
    26,987,520x = 40,481,246.88 × 8,791,685.76
  4. Step 4: Simplify right side
    26,987,520x = 355,898,401,741,940.44
  5. Step 5: Solve for x
    x = 355,898,401,741,940.44/26,987,520
  6. Step 6: Final answer
    x = 13,187,517.85

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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.