Home / 37,321,505.78-51,503,917.05-20,802,677.81

Finding the Fourth Proportional to 37,321,505.78, 51,503,917.05 and 20,802,677.81

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Solution

The fourth proportional to 37,321,505.78, 51,503,917.05 and 20,802,677.81 is: 28,707,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321,505.78 : 51,503,917.05 = 20,802,677.81 : x
  2. Step 2: Convert to fraction form
    37,321,505.78/51,503,917.05 = 20,802,677.81/x
  3. Step 3: Cross multiply
    37,321,505.78x = 51,503,917.05 × 20,802,677.81
  4. Step 4: Simplify right side
    37,321,505.78x = 1,071,419,392,086,596
  5. Step 5: Solve for x
    x = 1,071,419,392,086,596/37,321,505.78
  6. Step 6: Final answer
    x = 28,707,828.63

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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.