Home / 40,511,755.53-55,906,218.43-21,926,892.38

Finding the Fourth Proportional to 40,511,755.53, 55,906,218.43 and 21,926,892.38

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Solution

The fourth proportional to 40,511,755.53, 55,906,218.43 and 21,926,892.38 is: 30,259,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511,755.53 : 55,906,218.43 = 21,926,892.38 : x
  2. Step 2: Convert to fraction form
    40,511,755.53/55,906,218.43 = 21,926,892.38/x
  3. Step 3: Cross multiply
    40,511,755.53x = 55,906,218.43 × 21,926,892.38
  4. Step 4: Simplify right side
    40,511,755.53x = 1,225,849,634,553,034.25
  5. Step 5: Solve for x
    x = 1,225,849,634,553,034.25/40,511,755.53
  6. Step 6: Final answer
    x = 30,259,109.20

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1.5x scale

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.