Home / 36,338,968.21-50,150,790.89-20,872,037.65

Finding the Fourth Proportional to 36,338,968.21, 50,150,790.89 and 20,872,037.65

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Solution

The fourth proportional to 36,338,968.21, 50,150,790.89 and 20,872,037.65 is: 28,805,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,338,968.21 : 50,150,790.89 = 20,872,037.65 : x
  2. Step 2: Convert to fraction form
    36,338,968.21/50,150,790.89 = 20,872,037.65/x
  3. Step 3: Cross multiply
    36,338,968.21x = 50,150,790.89 × 20,872,037.65
  4. Step 4: Simplify right side
    36,338,968.21x = 1,046,749,195,633,357
  5. Step 5: Solve for x
    x = 1,046,749,195,633,357/36,338,968.21
  6. Step 6: Final answer
    x = 28,805,143.55

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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.