Home / 37,986,121.47-52,420,893.96-20,582,452.97

Finding the Fourth Proportional to 37,986,121.47, 52,420,893.96 and 20,582,452.97

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Solution

The fourth proportional to 37,986,121.47, 52,420,893.96 and 20,582,452.97 is: 28,403,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,986,121.47 : 52,420,893.96 = 20,582,452.97 : x
  2. Step 2: Convert to fraction form
    37,986,121.47/52,420,893.96 = 20,582,452.97/x
  3. Step 3: Cross multiply
    37,986,121.47x = 52,420,893.96 × 20,582,452.97
  4. Step 4: Simplify right side
    37,986,121.47x = 1,078,950,584,314,952.62
  5. Step 5: Solve for x
    x = 1,078,950,584,314,952.62/37,986,121.47
  6. Step 6: Final answer
    x = 28,403,810.20

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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.