Home / 13,551,450.42-20,322,864.60-4,451,436.78

Finding the Fourth Proportional to 13,551,450.42, 20,322,864.60 and 4,451,436.78

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Solution

The fourth proportional to 13,551,450.42, 20,322,864.60 and 4,451,436.78 is: 6,675,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551,450.42 : 20,322,864.60 = 4,451,436.78 : x
  2. Step 2: Convert to fraction form
    13,551,450.42/20,322,864.60 = 4,451,436.78/x
  3. Step 3: Cross multiply
    13,551,450.42x = 20,322,864.60 × 4,451,436.78
  4. Step 4: Simplify right side
    13,551,450.42x = 90,465,946,955,400
  5. Step 5: Solve for x
    x = 90,465,946,955,400/13,551,450.42
  6. Step 6: Final answer
    x = 6,675,739.06

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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.