Home / 20,317,849.20-30,481,428.06-8,805,249.27

Finding the Fourth Proportional to 20,317,849.20, 30,481,428.06 and 8,805,249.27

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Solution

The fourth proportional to 20,317,849.20, 30,481,428.06 and 8,805,249.27 is: 13,209,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,849.20 : 30,481,428.06 = 8,805,249.27 : x
  2. Step 2: Convert to fraction form
    20,317,849.20/30,481,428.06 = 8,805,249.27/x
  3. Step 3: Cross multiply
    20,317,849.20x = 30,481,428.06 × 8,805,249.27
  4. Step 4: Simplify right side
    20,317,849.20x = 268,396,572,173,872.50
  5. Step 5: Solve for x
    x = 268,396,572,173,872.50/20,317,849.20
  6. Step 6: Final answer
    x = 13,209,890.95

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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.