Home / 6,978,046.38-9,628,292.86-4,076,876.71

Finding the Fourth Proportional to 6,978,046.38, 9,628,292.86 and 4,076,876.71

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Solution

The fourth proportional to 6,978,046.38, 9,628,292.86 and 4,076,876.71 is: 5,625,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,046.38 : 9,628,292.86 = 4,076,876.71 : x
  2. Step 2: Convert to fraction form
    6,978,046.38/9,628,292.86 = 4,076,876.71/x
  3. Step 3: Cross multiply
    6,978,046.38x = 9,628,292.86 × 4,076,876.71
  4. Step 4: Simplify right side
    6,978,046.38x = 39,253,362,917,993.29
  5. Step 5: Solve for x
    x = 39,253,362,917,993.29/6,978,046.38
  6. Step 6: Final answer
    x = 5,625,265.41

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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.