Home / 39,363,648.47-54,321,858.24-21,959,993.66

Finding the Fourth Proportional to 39,363,648.47, 54,321,858.24 and 21,959,993.66

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Solution

The fourth proportional to 39,363,648.47, 54,321,858.24 and 21,959,993.66 is: 30,304,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363,648.47 : 54,321,858.24 = 21,959,993.66 : x
  2. Step 2: Convert to fraction form
    39,363,648.47/54,321,858.24 = 21,959,993.66/x
  3. Step 3: Cross multiply
    39,363,648.47x = 54,321,858.24 × 21,959,993.66
  4. Step 4: Simplify right side
    39,363,648.47x = 1,192,907,662,549,818.75
  5. Step 5: Solve for x
    x = 1,192,907,662,549,818.75/39,363,648.47
  6. Step 6: Final answer
    x = 30,304,804.28

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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.