Home / 13,192,266.92-19,787,882.78-5,513,928.62

Finding the Fourth Proportional to 13,192,266.92, 19,787,882.78 and 5,513,928.62

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Solution

The fourth proportional to 13,192,266.92, 19,787,882.78 and 5,513,928.62 is: 8,270,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,266.92 : 19,787,882.78 = 5,513,928.62 : x
  2. Step 2: Convert to fraction form
    13,192,266.92/19,787,882.78 = 5,513,928.62/x
  3. Step 3: Cross multiply
    13,192,266.92x = 19,787,882.78 × 5,513,928.62
  4. Step 4: Simplify right side
    13,192,266.92x = 109,108,973,104,692.56
  5. Step 5: Solve for x
    x = 109,108,973,104,692.56/13,192,266.92
  6. Step 6: Final answer
    x = 8,270,676.59

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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.