Home / 55,274,693.86-82,922,667.96-21,193,381.90

Finding the Fourth Proportional to 55,274,693.86, 82,922,667.96 and 21,193,381.90

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Solution

The fourth proportional to 55,274,693.86, 82,922,667.96 and 21,193,381.90 is: 31,794,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274,693.86 : 82,922,667.96 = 21,193,381.90 : x
  2. Step 2: Convert to fraction form
    55,274,693.86/82,922,667.96 = 21,193,381.90/x
  3. Step 3: Cross multiply
    55,274,693.86x = 82,922,667.96 × 21,193,381.90
  4. Step 4: Simplify right side
    55,274,693.86x = 1,757,411,770,243,173.75
  5. Step 5: Solve for x
    x = 1,757,411,770,243,173.75/55,274,693.86
  6. Step 6: Final answer
    x = 31,794,147.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.