Home / 37,511,993.43-51,768,732.56-20,991,975.39

Finding the Fourth Proportional to 37,511,993.43, 51,768,732.56 and 20,991,975.39

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Solution

The fourth proportional to 37,511,993.43, 51,768,732.56 and 20,991,975.39 is: 28,970,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,511,993.43 : 51,768,732.56 = 20,991,975.39 : x
  2. Step 2: Convert to fraction form
    37,511,993.43/51,768,732.56 = 20,991,975.39/x
  3. Step 3: Cross multiply
    37,511,993.43x = 51,768,732.56 × 20,991,975.39
  4. Step 4: Simplify right side
    37,511,993.43x = 1,086,727,959,766,051.88
  5. Step 5: Solve for x
    x = 1,086,727,959,766,051.88/37,511,993.43
  6. Step 6: Final answer
    x = 28,970,146.89

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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.