Home / 18,578,414.40-25,633,725.12-10,839,039.36

Finding the Fourth Proportional to 18,578,414.40, 25,633,725.12 and 10,839,039.36

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Solution

The fourth proportional to 18,578,414.40, 25,633,725.12 and 10,839,039.36 is: 14,955,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,414.40 : 25,633,725.12 = 10,839,039.36 : x
  2. Step 2: Convert to fraction form
    18,578,414.40/25,633,725.12 = 10,839,039.36/x
  3. Step 3: Cross multiply
    18,578,414.40x = 25,633,725.12 × 10,839,039.36
  4. Step 4: Simplify right side
    18,578,414.40x = 277,844,955,519,100.72
  5. Step 5: Solve for x
    x = 277,844,955,519,100.72/18,578,414.40
  6. Step 6: Final answer
    x = 14,955,256.65

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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.