Home / 20,790,508.44-31,190,213.16-6,218,571

Finding the Fourth Proportional to 20,790,508.44, 31,190,213.16 and 6,218,571

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Solution

The fourth proportional to 20,790,508.44, 31,190,213.16 and 6,218,571 is: 9,329,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790,508.44 : 31,190,213.16 = 6,218,571 : x
  2. Step 2: Convert to fraction form
    20,790,508.44/31,190,213.16 = 6,218,571/x
  3. Step 3: Cross multiply
    20,790,508.44x = 31,190,213.16 × 6,218,571
  4. Step 4: Simplify right side
    20,790,508.44x = 193,958,555,040,594.38
  5. Step 5: Solve for x
    x = 193,958,555,040,594.38/20,790,508.44
  6. Step 6: Final answer
    x = 9,329,187.67

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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.