Home / 39,410,195.94-54,384,979.55-21,768,782.31

Finding the Fourth Proportional to 39,410,195.94, 54,384,979.55 and 21,768,782.31

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Solution

The fourth proportional to 39,410,195.94, 54,384,979.55 and 21,768,782.31 is: 30,040,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,410,195.94 : 54,384,979.55 = 21,768,782.31 : x
  2. Step 2: Convert to fraction form
    39,410,195.94/54,384,979.55 = 21,768,782.31/x
  3. Step 3: Cross multiply
    39,410,195.94x = 54,384,979.55 × 21,768,782.31
  4. Step 4: Simplify right side
    39,410,195.94x = 1,183,894,780,648,907.75
  5. Step 5: Solve for x
    x = 1,183,894,780,648,907.75/39,410,195.94
  6. Step 6: Final answer
    x = 30,040,317.04

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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.