Home / 13,551,447.42-20,322,860.11-4,451,433.77

Finding the Fourth Proportional to 13,551,447.42, 20,322,860.11 and 4,451,433.77

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Solution

The fourth proportional to 13,551,447.42, 20,322,860.11 and 4,451,433.77 is: 6,675,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551,447.42 : 20,322,860.11 = 4,451,433.77 : x
  2. Step 2: Convert to fraction form
    13,551,447.42/20,322,860.11 = 4,451,433.77/x
  3. Step 3: Cross multiply
    13,551,447.42x = 20,322,860.11 × 4,451,433.77
  4. Step 4: Simplify right side
    13,551,447.42x = 90,465,865,836,318.48
  5. Step 5: Solve for x
    x = 90,465,865,836,318.48/13,551,447.42
  6. Step 6: Final answer
    x = 6,675,734.56

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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.