Home / 12,629,940.86-18,936,765.92-4,954,361.27

Finding the Fourth Proportional to 12,629,940.86, 18,936,765.92 and 4,954,361.27

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Solution

The fourth proportional to 12,629,940.86, 18,936,765.92 and 4,954,361.27 is: 7,428,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629,940.86 : 18,936,765.92 = 4,954,361.27 : x
  2. Step 2: Convert to fraction form
    12,629,940.86/18,936,765.92 = 4,954,361.27/x
  3. Step 3: Cross multiply
    12,629,940.86x = 18,936,765.92 × 4,954,361.27
  4. Step 4: Simplify right side
    12,629,940.86x = 93,819,579,570,805.98
  5. Step 5: Solve for x
    x = 93,819,579,570,805.98/12,629,940.86
  6. Step 6: Final answer
    x = 7,428,346.70

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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.