Home / 13,651,612.17-18,839,112.82-7,456,662.84

Finding the Fourth Proportional to 13,651,612.17, 18,839,112.82 and 7,456,662.84

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Solution

The fourth proportional to 13,651,612.17, 18,839,112.82 and 7,456,662.84 is: 10,290,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651,612.17 : 18,839,112.82 = 7,456,662.84 : x
  2. Step 2: Convert to fraction form
    13,651,612.17/18,839,112.82 = 7,456,662.84/x
  3. Step 3: Cross multiply
    13,651,612.17x = 18,839,112.82 × 7,456,662.84
  4. Step 4: Simplify right side
    13,651,612.17x = 140,476,912,597,410.36
  5. Step 5: Solve for x
    x = 140,476,912,597,410.36/13,651,612.17
  6. Step 6: Final answer
    x = 10,290,133.56

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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.