Home / 18,181,484.29-25,090,978.22-9,922,078.58

Finding the Fourth Proportional to 18,181,484.29, 25,090,978.22 and 9,922,078.58

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Solution

The fourth proportional to 18,181,484.29, 25,090,978.22 and 9,922,078.58 is: 13,692,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,484.29 : 25,090,978.22 = 9,922,078.58 : x
  2. Step 2: Convert to fraction form
    18,181,484.29/25,090,978.22 = 9,922,078.58/x
  3. Step 3: Cross multiply
    18,181,484.29x = 25,090,978.22 × 9,922,078.58
  4. Step 4: Simplify right side
    18,181,484.29x = 248,954,657,372,843.22
  5. Step 5: Solve for x
    x = 248,954,657,372,843.22/18,181,484.29
  6. Step 6: Final answer
    x = 13,692,757.61

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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.