Home / 5,388,490.31-7,445,843.66-3,837,058.55

Finding the Fourth Proportional to 5,388,490.31, 7,445,843.66 and 3,837,058.55

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Solution

The fourth proportional to 5,388,490.31, 7,445,843.66 and 3,837,058.55 is: 5,302,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,490.31 : 7,445,843.66 = 3,837,058.55 : x
  2. Step 2: Convert to fraction form
    5,388,490.31/7,445,843.66 = 3,837,058.55/x
  3. Step 3: Cross multiply
    5,388,490.31x = 7,445,843.66 × 3,837,058.55
  4. Step 4: Simplify right side
    5,388,490.31x = 28,570,138,021,151.78
  5. Step 5: Solve for x
    x = 28,570,138,021,151.78/5,388,490.31
  6. Step 6: Final answer
    x = 5,302,067.26

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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.