Home / 39,245,212.26-54,158,392.94-21,845,667.85

Finding the Fourth Proportional to 39,245,212.26, 54,158,392.94 and 21,845,667.85

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Solution

The fourth proportional to 39,245,212.26, 54,158,392.94 and 21,845,667.85 is: 30,147,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245,212.26 : 54,158,392.94 = 21,845,667.85 : x
  2. Step 2: Convert to fraction form
    39,245,212.26/54,158,392.94 = 21,845,667.85/x
  3. Step 3: Cross multiply
    39,245,212.26x = 54,158,392.94 × 21,845,667.85
  4. Step 4: Simplify right side
    39,245,212.26x = 1,183,126,263,212,400.75
  5. Step 5: Solve for x
    x = 1,183,126,263,212,400.75/39,245,212.26
  6. Step 6: Final answer
    x = 30,147,021.64

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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.