Home / 7,222,969.75-9,967,482.30-3,959,672.94

Finding the Fourth Proportional to 7,222,969.75, 9,967,482.30 and 3,959,672.94

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Solution

The fourth proportional to 7,222,969.75, 9,967,482.30 and 3,959,672.94 is: 5,464,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,969.75 : 9,967,482.30 = 3,959,672.94 : x
  2. Step 2: Convert to fraction form
    7,222,969.75/9,967,482.30 = 3,959,672.94/x
  3. Step 3: Cross multiply
    7,222,969.75x = 9,967,482.30 × 3,959,672.94
  4. Step 4: Simplify right side
    7,222,969.75x = 39,467,969,943,238.96
  5. Step 5: Solve for x
    x = 39,467,969,943,238.96/7,222,969.75
  6. Step 6: Final answer
    x = 5,464,230.27

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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.