Home / 40,511,856.78-55,906,358.05-21,926,993.63

Finding the Fourth Proportional to 40,511,856.78, 55,906,358.05 and 21,926,993.63

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Solution

The fourth proportional to 40,511,856.78, 55,906,358.05 and 21,926,993.63 is: 30,259,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511,856.78 : 55,906,358.05 = 21,926,993.63 : x
  2. Step 2: Convert to fraction form
    40,511,856.78/55,906,358.05 = 21,926,993.63/x
  3. Step 3: Cross multiply
    40,511,856.78x = 55,906,358.05 × 21,926,993.63
  4. Step 4: Simplify right side
    40,511,856.78x = 1,225,858,356,586,726.25
  5. Step 5: Solve for x
    x = 1,225,858,356,586,726.25/40,511,856.78
  6. Step 6: Final answer
    x = 30,259,248.87

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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.