Home / 13,469,955.75-20,205,108.72-4,494,507.75

Finding the Fourth Proportional to 13,469,955.75, 20,205,108.72 and 4,494,507.75

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Solution

The fourth proportional to 13,469,955.75, 20,205,108.72 and 4,494,507.75 is: 6,741,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,955.75 : 20,205,108.72 = 4,494,507.75 : x
  2. Step 2: Convert to fraction form
    13,469,955.75/20,205,108.72 = 4,494,507.75/x
  3. Step 3: Cross multiply
    13,469,955.75x = 20,205,108.72 × 4,494,507.75
  4. Step 4: Simplify right side
    13,469,955.75x = 90,812,017,731,632.58
  5. Step 5: Solve for x
    x = 90,812,017,731,632.58/13,469,955.75
  6. Step 6: Final answer
    x = 6,741,820.05

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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.