Home / 30,170,667-41,628,259.62-17,781,253.68

Finding the Fourth Proportional to 30,170,667, 41,628,259.62 and 17,781,253.68

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Solution

The fourth proportional to 30,170,667, 41,628,259.62 and 17,781,253.68 is: 24,533,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170,667 : 41,628,259.62 = 17,781,253.68 : x
  2. Step 2: Convert to fraction form
    30,170,667/41,628,259.62 = 17,781,253.68/x
  3. Step 3: Cross multiply
    30,170,667x = 41,628,259.62 × 17,781,253.68
  4. Step 4: Simplify right side
    30,170,667x = 740,202,644,560,120.38
  5. Step 5: Solve for x
    x = 740,202,644,560,120.38/30,170,667
  6. Step 6: Final answer
    x = 24,533,850.86

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1.5x scale

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.