Home / 40,511,761.54-55,906,226.70-21,926,898.38

Finding the Fourth Proportional to 40,511,761.54, 55,906,226.70 and 21,926,898.38

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Solution

The fourth proportional to 40,511,761.54, 55,906,226.70 and 21,926,898.38 is: 30,259,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511,761.54 : 55,906,226.70 = 21,926,898.38 : x
  2. Step 2: Convert to fraction form
    40,511,761.54/55,906,226.70 = 21,926,898.38/x
  3. Step 3: Cross multiply
    40,511,761.54x = 55,906,226.70 × 21,926,898.38
  4. Step 4: Simplify right side
    40,511,761.54x = 1,225,850,151,660,142.75
  5. Step 5: Solve for x
    x = 1,225,850,151,660,142.75/40,511,761.54
  6. Step 6: Final answer
    x = 30,259,117.48

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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.