Home / 38,694,274.61-58,066,949.89-20,511,238.77

Finding the Fourth Proportional to 38,694,274.61, 58,066,949.89 and 20,511,238.77

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Solution

The fourth proportional to 38,694,274.61, 58,066,949.89 and 20,511,238.77 is: 30,780,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,694,274.61 : 58,066,949.89 = 20,511,238.77 : x
  2. Step 2: Convert to fraction form
    38,694,274.61/58,066,949.89 = 20,511,238.77/x
  3. Step 3: Cross multiply
    38,694,274.61x = 58,066,949.89 × 20,511,238.77
  4. Step 4: Simplify right side
    38,694,274.61x = 1,191,025,073,839,415.25
  5. Step 5: Solve for x
    x = 1,191,025,073,839,415.25/38,694,274.61
  6. Step 6: Final answer
    x = 30,780,395.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.