Home / 69,481,338.96-104,222,895.12-18,362,916

Finding the Fourth Proportional to 69,481,338.96, 104,222,895.12 and 18,362,916

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Solution

The fourth proportional to 69,481,338.96, 104,222,895.12 and 18,362,916 is: 27,544,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,481,338.96 : 104,222,895.12 = 18,362,916 : x
  2. Step 2: Convert to fraction form
    69,481,338.96/104,222,895.12 = 18,362,916/x
  3. Step 3: Cross multiply
    69,481,338.96x = 104,222,895.12 × 18,362,916
  4. Step 4: Simplify right side
    69,481,338.96x = 1,913,836,268,365,370
  5. Step 5: Solve for x
    x = 1,913,836,268,365,370/69,481,338.96
  6. Step 6: Final answer
    x = 27,544,608.34

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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.