Home / 40,550,274.71-55,959,647.79-21,965,414.84

Finding the Fourth Proportional to 40,550,274.71, 55,959,647.79 and 21,965,414.84

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Solution

The fourth proportional to 40,550,274.71, 55,959,647.79 and 21,965,414.84 is: 30,312,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,550,274.71 : 55,959,647.79 = 21,965,414.84 : x
  2. Step 2: Convert to fraction form
    40,550,274.71/55,959,647.79 = 21,965,414.84/x
  3. Step 3: Cross multiply
    40,550,274.71x = 55,959,647.79 × 21,965,414.84
  4. Step 4: Simplify right side
    40,550,274.71x = 1,229,176,878,147,538.25
  5. Step 5: Solve for x
    x = 1,229,176,878,147,538.25/40,550,274.71
  6. Step 6: Final answer
    x = 30,312,418.03

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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.