Home / 7,346,640.74-10,138,304.25-3,993,785.33

Finding the Fourth Proportional to 7,346,640.74, 10,138,304.25 and 3,993,785.33

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Solution

The fourth proportional to 7,346,640.74, 10,138,304.25 and 3,993,785.33 is: 5,511,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346,640.74 : 10,138,304.25 = 3,993,785.33 : x
  2. Step 2: Convert to fraction form
    7,346,640.74/10,138,304.25 = 3,993,785.33/x
  3. Step 3: Cross multiply
    7,346,640.74x = 10,138,304.25 × 3,993,785.33
  4. Step 4: Simplify right side
    7,346,640.74x = 40,490,210,734,035.13
  5. Step 5: Solve for x
    x = 40,490,210,734,035.13/7,346,640.74
  6. Step 6: Final answer
    x = 5,511,391.15

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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.