Home / 6,679,979.52-9,212,685.84-4,647,644.16

Finding the Fourth Proportional to 6,679,979.52, 9,212,685.84 and 4,647,644.16

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Solution

The fourth proportional to 6,679,979.52, 9,212,685.84 and 4,647,644.16 is: 6,409,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679,979.52 : 9,212,685.84 = 4,647,644.16 : x
  2. Step 2: Convert to fraction form
    6,679,979.52/9,212,685.84 = 4,647,644.16/x
  3. Step 3: Cross multiply
    6,679,979.52x = 9,212,685.84 × 4,647,644.16
  4. Step 4: Simplify right side
    6,679,979.52x = 42,817,285,542,190.70
  5. Step 5: Solve for x
    x = 42,817,285,542,190.70/6,679,979.52
  6. Step 6: Final answer
    x = 6,409,792.94

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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.