Home / 13,910,241.32-20,865,507.42-3,812,863.40

Finding the Fourth Proportional to 13,910,241.32, 20,865,507.42 and 3,812,863.40

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Solution

The fourth proportional to 13,910,241.32, 20,865,507.42 and 3,812,863.40 is: 5,719,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910,241.32 : 20,865,507.42 = 3,812,863.40 : x
  2. Step 2: Convert to fraction form
    13,910,241.32/20,865,507.42 = 3,812,863.40/x
  3. Step 3: Cross multiply
    13,910,241.32x = 20,865,507.42 × 3,812,863.40
  4. Step 4: Simplify right side
    13,910,241.32x = 79,557,329,564,146.44
  5. Step 5: Solve for x
    x = 79,557,329,564,146.44/13,910,241.32
  6. Step 6: Final answer
    x = 5,719,334.97

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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.