Home / 13,469,961.75-20,205,117.72-4,494,513.75

Finding the Fourth Proportional to 13,469,961.75, 20,205,117.72 and 4,494,513.75

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Solution

The fourth proportional to 13,469,961.75, 20,205,117.72 and 4,494,513.75 is: 6,741,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,961.75 : 20,205,117.72 = 4,494,513.75 : x
  2. Step 2: Convert to fraction form
    13,469,961.75/20,205,117.72 = 4,494,513.75/x
  3. Step 3: Cross multiply
    13,469,961.75x = 20,205,117.72 × 4,494,513.75
  4. Step 4: Simplify right side
    13,469,961.75x = 90,812,179,412,908.64
  5. Step 5: Solve for x
    x = 90,812,179,412,908.64/13,469,961.75
  6. Step 6: Final answer
    x = 6,741,829.05

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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.