Home / 7,963,568.64-11,945,396.70-1,979,936.64

Finding the Fourth Proportional to 7,963,568.64, 11,945,396.70 and 1,979,936.64

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Solution

The fourth proportional to 7,963,568.64, 11,945,396.70 and 1,979,936.64 is: 2,969,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963,568.64 : 11,945,396.70 = 1,979,936.64 : x
  2. Step 2: Convert to fraction form
    7,963,568.64/11,945,396.70 = 1,979,936.64/x
  3. Step 3: Cross multiply
    7,963,568.64x = 11,945,396.70 × 1,979,936.64
  4. Step 4: Simplify right side
    7,963,568.64x = 23,651,128,605,665.09
  5. Step 5: Solve for x
    x = 23,651,128,605,665.09/7,963,568.64
  6. Step 6: Final answer
    x = 2,969,915.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.