Home / 7,222,928.76-9,967,578.12-3,959,684.19

Finding the Fourth Proportional to 7,222,928.76, 9,967,578.12 and 3,959,684.19

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Solution

The fourth proportional to 7,222,928.76, 9,967,578.12 and 3,959,684.19 is: 5,464,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,928.76 : 9,967,578.12 = 3,959,684.19 : x
  2. Step 2: Convert to fraction form
    7,222,928.76/9,967,578.12 = 3,959,684.19/x
  3. Step 3: Cross multiply
    7,222,928.76x = 9,967,578.12 × 3,959,684.19
  4. Step 4: Simplify right side
    7,222,928.76x = 39,468,461,494,353.92
  5. Step 5: Solve for x
    x = 39,468,461,494,353.92/7,222,928.76
  6. Step 6: Final answer
    x = 5,464,329.33

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Double scale
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1.5x scale

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.