Home / 18,150,982.35-27,209,994.48-9,055,861.71

Finding the Fourth Proportional to 18,150,982.35, 27,209,994.48 and 9,055,861.71

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Solution

The fourth proportional to 18,150,982.35, 27,209,994.48 and 9,055,861.71 is: 13,575,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150,982.35 : 27,209,994.48 = 9,055,861.71 : x
  2. Step 2: Convert to fraction form
    18,150,982.35/27,209,994.48 = 9,055,861.71/x
  3. Step 3: Cross multiply
    18,150,982.35x = 27,209,994.48 × 9,055,861.71
  4. Step 4: Simplify right side
    18,150,982.35x = 246,409,947,140,743.38
  5. Step 5: Solve for x
    x = 246,409,947,140,743.38/18,150,982.35
  6. Step 6: Final answer
    x = 13,575,570.86

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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.