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Finding the Fourth Proportional to 18,324,010.20, 27,486,015.30 and 17,484,202.20

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Solution

The fourth proportional to 18,324,010.20, 27,486,015.30 and 17,484,202.20 is: 26,226,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324,010.20 : 27,486,015.30 = 17,484,202.20 : x
  2. Step 2: Convert to fraction form
    18,324,010.20/27,486,015.30 = 17,484,202.20/x
  3. Step 3: Cross multiply
    18,324,010.20x = 27,486,015.30 × 17,484,202.20
  4. Step 4: Simplify right side
    18,324,010.20x = 480,571,049,177,493.62
  5. Step 5: Solve for x
    x = 480,571,049,177,493.62/18,324,010.20
  6. Step 6: Final answer
    x = 26,226,303.30

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1.5x scale

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.