Home / 7,170,196.73-9,894,743.46-3,907,039.64

Finding the Fourth Proportional to 7,170,196.73, 9,894,743.46 and 3,907,039.64

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Solution

The fourth proportional to 7,170,196.73, 9,894,743.46 and 3,907,039.64 is: 5,391,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,196.73 : 9,894,743.46 = 3,907,039.64 : x
  2. Step 2: Convert to fraction form
    7,170,196.73/9,894,743.46 = 3,907,039.64/x
  3. Step 3: Cross multiply
    7,170,196.73x = 9,894,743.46 × 3,907,039.64
  4. Step 4: Simplify right side
    7,170,196.73x = 38,659,154,876,377.04
  5. Step 5: Solve for x
    x = 38,659,154,876,377.04/7,170,196.73
  6. Step 6: Final answer
    x = 5,391,644.94

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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.