Home / 39,875,889.83-55,028,777.27-21,541,175.33

Finding the Fourth Proportional to 39,875,889.83, 55,028,777.27 and 21,541,175.33

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Solution

The fourth proportional to 39,875,889.83, 55,028,777.27 and 21,541,175.33 is: 29,726,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,875,889.83 : 55,028,777.27 = 21,541,175.33 : x
  2. Step 2: Convert to fraction form
    39,875,889.83/55,028,777.27 = 21,541,175.33/x
  3. Step 3: Cross multiply
    39,875,889.83x = 55,028,777.27 × 21,541,175.33
  4. Step 4: Simplify right side
    39,875,889.83x = 1,185,384,538,985,739
  5. Step 5: Solve for x
    x = 1,185,384,538,985,739/39,875,889.83
  6. Step 6: Final answer
    x = 29,726,848.58

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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.