Home / 6,990,772.16-9,647,564.96-3,893,295.48

Finding the Fourth Proportional to 6,990,772.16, 9,647,564.96 and 3,893,295.48

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Solution

The fourth proportional to 6,990,772.16, 9,647,564.96 and 3,893,295.48 is: 5,372,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,772.16 : 9,647,564.96 = 3,893,295.48 : x
  2. Step 2: Convert to fraction form
    6,990,772.16/9,647,564.96 = 3,893,295.48/x
  3. Step 3: Cross multiply
    6,990,772.16x = 9,647,564.96 × 3,893,295.48
  4. Step 4: Simplify right side
    6,990,772.16x = 37,560,821,051,774.38
  5. Step 5: Solve for x
    x = 37,560,821,051,774.38/6,990,772.16
  6. Step 6: Final answer
    x = 5,372,914.49

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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.