Home / 18,611,072.38-25,679,477.82-10,874,620.36

Finding the Fourth Proportional to 18,611,072.38, 25,679,477.82 and 10,874,620.36

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Solution

The fourth proportional to 18,611,072.38, 25,679,477.82 and 10,874,620.36 is: 15,004,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611,072.38 : 25,679,477.82 = 10,874,620.36 : x
  2. Step 2: Convert to fraction form
    18,611,072.38/25,679,477.82 = 10,874,620.36/x
  3. Step 3: Cross multiply
    18,611,072.38x = 25,679,477.82 × 10,874,620.36
  4. Step 4: Simplify right side
    18,611,072.38x = 279,254,572,335,540.41
  5. Step 5: Solve for x
    x = 279,254,572,335,540.41/18,611,072.38
  6. Step 6: Final answer
    x = 15,004,754.52

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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.