Home / 51,986,028.78-71,740,456.56-28,464,138.15

Finding the Fourth Proportional to 51,986,028.78, 71,740,456.56 and 28,464,138.15

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Solution

The fourth proportional to 51,986,028.78, 71,740,456.56 and 28,464,138.15 is: 39,280,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986,028.78 : 71,740,456.56 = 28,464,138.15 : x
  2. Step 2: Convert to fraction form
    51,986,028.78/71,740,456.56 = 28,464,138.15/x
  3. Step 3: Cross multiply
    51,986,028.78x = 71,740,456.56 × 28,464,138.15
  4. Step 4: Simplify right side
    51,986,028.78x = 2,042,030,266,467,913.75
  5. Step 5: Solve for x
    x = 2,042,030,266,467,913.75/51,986,028.78
  6. Step 6: Final answer
    x = 39,280,366.56

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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.