Home / 40,511,754.78-55,906,217.39-21,926,891.63

Finding the Fourth Proportional to 40,511,754.78, 55,906,217.39 and 21,926,891.63

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Solution

The fourth proportional to 40,511,754.78, 55,906,217.39 and 21,926,891.63 is: 30,259,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511,754.78 : 55,906,217.39 = 21,926,891.63 : x
  2. Step 2: Convert to fraction form
    40,511,754.78/55,906,217.39 = 21,926,891.63/x
  3. Step 3: Cross multiply
    40,511,754.78x = 55,906,217.39 × 21,926,891.63
  4. Step 4: Simplify right side
    40,511,754.78x = 1,225,849,569,764,585.75
  5. Step 5: Solve for x
    x = 1,225,849,569,764,585.75/40,511,754.78
  6. Step 6: Final answer
    x = 30,259,108.16

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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.