Home / 28,462,912.94-39,278,350.96-15,410,067.50

Finding the Fourth Proportional to 28,462,912.94, 39,278,350.96 and 15,410,067.50

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Solution

The fourth proportional to 28,462,912.94, 39,278,350.96 and 15,410,067.50 is: 21,265,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462,912.94 : 39,278,350.96 = 15,410,067.50 : x
  2. Step 2: Convert to fraction form
    28,462,912.94/39,278,350.96 = 15,410,067.50/x
  3. Step 3: Cross multiply
    28,462,912.94x = 39,278,350.96 × 15,410,067.50
  4. Step 4: Simplify right side
    28,462,912.94x = 605,282,039,347,372.88
  5. Step 5: Solve for x
    x = 605,282,039,347,372.88/28,462,912.94
  6. Step 6: Final answer
    x = 21,265,639.28

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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.