Home / 37,321,506.78-51,503,918.43-20,802,678.81

Finding the Fourth Proportional to 37,321,506.78, 51,503,918.43 and 20,802,678.81

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Solution

The fourth proportional to 37,321,506.78, 51,503,918.43 and 20,802,678.81 is: 28,707,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321,506.78 : 51,503,918.43 = 20,802,678.81 : x
  2. Step 2: Convert to fraction form
    37,321,506.78/51,503,918.43 = 20,802,678.81/x
  3. Step 3: Cross multiply
    37,321,506.78x = 51,503,918.43 × 20,802,678.81
  4. Step 4: Simplify right side
    37,321,506.78x = 1,071,419,472,555,729.38
  5. Step 5: Solve for x
    x = 1,071,419,472,555,729.38/37,321,506.78
  6. Step 6: Final answer
    x = 28,707,830.02

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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.