Home / 14,719,372.80-20,312,735.40-8,192,861.76

Finding the Fourth Proportional to 14,719,372.80, 20,312,735.40 and 8,192,861.76

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Solution

The fourth proportional to 14,719,372.80, 20,312,735.40 and 8,192,861.76 is: 11,306,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719,372.80 : 20,312,735.40 = 8,192,861.76 : x
  2. Step 2: Convert to fraction form
    14,719,372.80/20,312,735.40 = 8,192,861.76/x
  3. Step 3: Cross multiply
    14,719,372.80x = 20,312,735.40 × 8,192,861.76
  4. Step 4: Simplify right side
    14,719,372.80x = 166,419,433,099,658.28
  5. Step 5: Solve for x
    x = 166,419,433,099,658.28/14,719,372.80
  6. Step 6: Final answer
    x = 11,306,149.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.