Home / 13,856,560.88-20,784,861.07-5,659,204.55

Finding the Fourth Proportional to 13,856,560.88, 20,784,861.07 and 5,659,204.55

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Solution

The fourth proportional to 13,856,560.88, 20,784,861.07 and 5,659,204.55 is: 8,488,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,560.88 : 20,784,861.07 = 5,659,204.55 : x
  2. Step 2: Convert to fraction form
    13,856,560.88/20,784,861.07 = 5,659,204.55/x
  3. Step 3: Cross multiply
    13,856,560.88x = 20,784,861.07 × 5,659,204.55
  4. Step 4: Simplify right side
    13,856,560.88x = 117,625,780,310,165.84
  5. Step 5: Solve for x
    x = 117,625,780,310,165.84/13,856,560.88
  6. Step 6: Final answer
    x = 8,488,814.89

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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.