Home / 21,802,362.66-30,087,942.21-12,511,632.42

Finding the Fourth Proportional to 21,802,362.66, 30,087,942.21 and 12,511,632.42

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Solution

The fourth proportional to 21,802,362.66, 30,087,942.21 and 12,511,632.42 is: 17,266,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802,362.66 : 30,087,942.21 = 12,511,632.42 : x
  2. Step 2: Convert to fraction form
    21,802,362.66/30,087,942.21 = 12,511,632.42/x
  3. Step 3: Cross multiply
    21,802,362.66x = 30,087,942.21 × 12,511,632.42
  4. Step 4: Simplify right side
    21,802,362.66x = 376,449,273,205,722.44
  5. Step 5: Solve for x
    x = 376,449,273,205,722.44/21,802,362.66
  6. Step 6: Final answer
    x = 17,266,443.97

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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.