Home / 31,375,130.72-43,284,249.65-19,593,945.94

Finding the Fourth Proportional to 31,375,130.72, 43,284,249.65 and 19,593,945.94

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Solution

The fourth proportional to 31,375,130.72, 43,284,249.65 and 19,593,945.94 is: 27,031,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375,130.72 : 43,284,249.65 = 19,593,945.94 : x
  2. Step 2: Convert to fraction form
    31,375,130.72/43,284,249.65 = 19,593,945.94/x
  3. Step 3: Cross multiply
    31,375,130.72x = 43,284,249.65 × 19,593,945.94
  4. Step 4: Simplify right side
    31,375,130.72x = 848,109,247,651,699.62
  5. Step 5: Solve for x
    x = 848,109,247,651,699.62/31,375,130.72
  6. Step 6: Final answer
    x = 27,031,257.82

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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.