Home / 7,211,805.48-9,951,912.72-3,947,994.72

Finding the Fourth Proportional to 7,211,805.48, 9,951,912.72 and 3,947,994.72

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Solution

The fourth proportional to 7,211,805.48, 9,951,912.72 and 3,947,994.72 is: 5,448,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,805.48 : 9,951,912.72 = 3,947,994.72 : x
  2. Step 2: Convert to fraction form
    7,211,805.48/9,951,912.72 = 3,947,994.72/x
  3. Step 3: Cross multiply
    7,211,805.48x = 9,951,912.72 × 3,947,994.72
  4. Step 4: Simplify right side
    7,211,805.48x = 39,290,098,872,460.84
  5. Step 5: Solve for x
    x = 39,290,098,872,460.84/7,211,805.48
  6. Step 6: Final answer
    x = 5,448,025.32

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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.