Home / 31,951,020.06-47,877,757.22-18,971,611.10

Finding the Fourth Proportional to 31,951,020.06, 47,877,757.22 and 18,971,611.10

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Solution

The fourth proportional to 31,951,020.06, 47,877,757.22 and 18,971,611.10 is: 28,428,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,951,020.06 : 47,877,757.22 = 18,971,611.10 : x
  2. Step 2: Convert to fraction form
    31,951,020.06/47,877,757.22 = 18,971,611.10/x
  3. Step 3: Cross multiply
    31,951,020.06x = 47,877,757.22 × 18,971,611.10
  4. Step 4: Simplify right side
    31,951,020.06x = 908,318,190,170,958.75
  5. Step 5: Solve for x
    x = 908,318,190,170,958.75/31,951,020.06
  6. Step 6: Final answer
    x = 28,428,456.69

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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.