Home / 7,222,620.64-9,967,179.74-3,914,901.54

Finding the Fourth Proportional to 7,222,620.64, 9,967,179.74 and 3,914,901.54

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Solution

The fourth proportional to 7,222,620.64, 9,967,179.74 and 3,914,901.54 is: 5,402,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,620.64 : 9,967,179.74 = 3,914,901.54 : x
  2. Step 2: Convert to fraction form
    7,222,620.64/9,967,179.74 = 3,914,901.54/x
  3. Step 3: Cross multiply
    7,222,620.64x = 9,967,179.74 × 3,914,901.54
  4. Step 4: Simplify right side
    7,222,620.64x = 39,020,527,313,582.80
  5. Step 5: Solve for x
    x = 39,020,527,313,582.80/7,222,620.64
  6. Step 6: Final answer
    x = 5,402,544.21

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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.