Home / 13,858,140.96-20,786,861.52-3,760,499.52

Finding the Fourth Proportional to 13,858,140.96, 20,786,861.52 and 3,760,499.52

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Solution

The fourth proportional to 13,858,140.96, 20,786,861.52 and 3,760,499.52 is: 5,640,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,140.96 : 20,786,861.52 = 3,760,499.52 : x
  2. Step 2: Convert to fraction form
    13,858,140.96/20,786,861.52 = 3,760,499.52/x
  3. Step 3: Cross multiply
    13,858,140.96x = 20,786,861.52 × 3,760,499.52
  4. Step 4: Simplify right side
    13,858,140.96x = 78,168,982,768,266.47
  5. Step 5: Solve for x
    x = 78,168,982,768,266.47/13,858,140.96
  6. Step 6: Final answer
    x = 5,640,654.33

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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.