Home / 13,513,173.12-20,269,759.68-3,415,794.12

Finding the Fourth Proportional to 13,513,173.12, 20,269,759.68 and 3,415,794.12

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Solution

The fourth proportional to 13,513,173.12, 20,269,759.68 and 3,415,794.12 is: 5,123,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,173.12 : 20,269,759.68 = 3,415,794.12 : x
  2. Step 2: Convert to fraction form
    13,513,173.12/20,269,759.68 = 3,415,794.12/x
  3. Step 3: Cross multiply
    13,513,173.12x = 20,269,759.68 × 3,415,794.12
  4. Step 4: Simplify right side
    13,513,173.12x = 69,237,325,928,757.09
  5. Step 5: Solve for x
    x = 69,237,325,928,757.09/13,513,173.12
  6. Step 6: Final answer
    x = 5,123,691.18

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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.