Home / 12,318,723.76-18,477,882.35-3,682,844.42

Finding the Fourth Proportional to 12,318,723.76, 18,477,882.35 and 3,682,844.42

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Solution

The fourth proportional to 12,318,723.76, 18,477,882.35 and 3,682,844.42 is: 5,524,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,723.76 : 18,477,882.35 = 3,682,844.42 : x
  2. Step 2: Convert to fraction form
    12,318,723.76/18,477,882.35 = 3,682,844.42/x
  3. Step 3: Cross multiply
    12,318,723.76x = 18,477,882.35 × 3,682,844.42
  4. Step 4: Simplify right side
    12,318,723.76x = 68,051,165,829,837.02
  5. Step 5: Solve for x
    x = 68,051,165,829,837.02/12,318,723.76
  6. Step 6: Final answer
    x = 5,524,205.85

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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.