Home / 7,278,912.31-10,917,974.80-2,230,237.39

Finding the Fourth Proportional to 7,278,912.31, 10,917,974.80 and 2,230,237.39

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Solution

The fourth proportional to 7,278,912.31, 10,917,974.80 and 2,230,237.39 is: 3,345,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,912.31 : 10,917,974.80 = 2,230,237.39 : x
  2. Step 2: Convert to fraction form
    7,278,912.31/10,917,974.80 = 2,230,237.39/x
  3. Step 3: Cross multiply
    7,278,912.31x = 10,917,974.80 × 2,230,237.39
  4. Step 4: Simplify right side
    7,278,912.31x = 24,349,675,622,037.77
  5. Step 5: Solve for x
    x = 24,349,675,622,037.77/7,278,912.31
  6. Step 6: Final answer
    x = 3,345,235.47

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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.