Home / 39,958,249.96-55,142,383.14-21,623,535.96

Finding the Fourth Proportional to 39,958,249.96, 55,142,383.14 and 21,623,535.96

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Solution

The fourth proportional to 39,958,249.96, 55,142,383.14 and 21,623,535.96 is: 29,840,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958,249.96 : 55,142,383.14 = 21,623,535.96 : x
  2. Step 2: Convert to fraction form
    39,958,249.96/55,142,383.14 = 21,623,535.96/x
  3. Step 3: Cross multiply
    39,958,249.96x = 55,142,383.14 × 21,623,535.96
  4. Step 4: Simplify right side
    39,958,249.96x = 1,192,373,304,747,887.75
  5. Step 5: Solve for x
    x = 1,192,373,304,747,887.75/39,958,249.96
  6. Step 6: Final answer
    x = 29,840,478.65

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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.