Home / 9,384,519.28-12,950,836.32-5,310,138.28

Finding the Fourth Proportional to 9,384,519.28, 12,950,836.32 and 5,310,138.28

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Solution

The fourth proportional to 9,384,519.28, 12,950,836.32 and 5,310,138.28 is: 7,328,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384,519.28 : 12,950,836.32 = 5,310,138.28 : x
  2. Step 2: Convert to fraction form
    9,384,519.28/12,950,836.32 = 5,310,138.28/x
  3. Step 3: Cross multiply
    9,384,519.28x = 12,950,836.32 × 5,310,138.28
  4. Step 4: Simplify right side
    9,384,519.28x = 68,770,731,700,846.34
  5. Step 5: Solve for x
    x = 68,770,731,700,846.34/9,384,519.28
  6. Step 6: Final answer
    x = 7,328,103.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.