Home / 8,119,759.91-11,205,268.43-4,448,815.56

Finding the Fourth Proportional to 8,119,759.91, 11,205,268.43 and 4,448,815.56

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Solution

The fourth proportional to 8,119,759.91, 11,205,268.43 and 4,448,815.56 is: 6,139,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,759.91 : 11,205,268.43 = 4,448,815.56 : x
  2. Step 2: Convert to fraction form
    8,119,759.91/11,205,268.43 = 4,448,815.56/x
  3. Step 3: Cross multiply
    8,119,759.91x = 11,205,268.43 × 4,448,815.56
  4. Step 4: Simplify right side
    8,119,759.91x = 49,850,172,548,141.27
  5. Step 5: Solve for x
    x = 49,850,172,548,141.27/8,119,759.91
  6. Step 6: Final answer
    x = 6,139,365.34

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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.