Home / 13,532,183.05-18,674,654.88-7,337,438.73

Finding the Fourth Proportional to 13,532,183.05, 18,674,654.88 and 7,337,438.73

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Solution

The fourth proportional to 13,532,183.05, 18,674,654.88 and 7,337,438.73 is: 10,125,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,183.05 : 18,674,654.88 = 7,337,438.73 : x
  2. Step 2: Convert to fraction form
    13,532,183.05/18,674,654.88 = 7,337,438.73/x
  3. Step 3: Cross multiply
    13,532,183.05x = 18,674,654.88 × 7,337,438.73
  4. Step 4: Simplify right side
    13,532,183.05x = 137,024,135,985,895.50
  5. Step 5: Solve for x
    x = 137,024,135,985,895.50/13,532,183.05
  6. Step 6: Final answer
    x = 10,125,796.81

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Double scale
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1.5x scale

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.