Home / 13,625,082.38-20,414,488.08-8,222,380.22

Finding the Fourth Proportional to 13,625,082.38, 20,414,488.08 and 8,222,380.22

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Solution

The fourth proportional to 13,625,082.38, 20,414,488.08 and 8,222,380.22 is: 12,319,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625,082.38 : 20,414,488.08 = 8,222,380.22 : x
  2. Step 2: Convert to fraction form
    13,625,082.38/20,414,488.08 = 8,222,380.22/x
  3. Step 3: Cross multiply
    13,625,082.38x = 20,414,488.08 × 8,222,380.22
  4. Step 4: Simplify right side
    13,625,082.38x = 167,855,682,990,417.75
  5. Step 5: Solve for x
    x = 167,855,682,990,417.75/13,625,082.38
  6. Step 6: Final answer
    x = 12,319,608.67

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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.