Home / 39,786,978.72-54,903,786.48-22,384,057.44

Finding the Fourth Proportional to 39,786,978.72, 54,903,786.48 and 22,384,057.44

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Solution

The fourth proportional to 39,786,978.72, 54,903,786.48 and 22,384,057.44 is: 30,888,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786,978.72 : 54,903,786.48 = 22,384,057.44 : x
  2. Step 2: Convert to fraction form
    39,786,978.72/54,903,786.48 = 22,384,057.44/x
  3. Step 3: Cross multiply
    39,786,978.72x = 54,903,786.48 × 22,384,057.44
  4. Step 4: Simplify right side
    39,786,978.72x = 1,228,969,510,241,815.50
  5. Step 5: Solve for x
    x = 1,228,969,510,241,815.50/39,786,978.72
  6. Step 6: Final answer
    x = 30,888,736.71

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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.