Home / 7,170,227.69-9,894,786.12-3,907,070.60

Finding the Fourth Proportional to 7,170,227.69, 9,894,786.12 and 3,907,070.60

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Solution

The fourth proportional to 7,170,227.69, 9,894,786.12 and 3,907,070.60 is: 5,391,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,227.69 : 9,894,786.12 = 3,907,070.60 : x
  2. Step 2: Convert to fraction form
    7,170,227.69/9,894,786.12 = 3,907,070.60/x
  3. Step 3: Cross multiply
    7,170,227.69x = 9,894,786.12 × 3,907,070.60
  4. Step 4: Simplify right side
    7,170,227.69x = 38,659,627,893,266.14
  5. Step 5: Solve for x
    x = 38,659,627,893,266.14/7,170,227.69
  6. Step 6: Final answer
    x = 5,391,687.63

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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.