Home / 18,499,497.40-27,749,246.10-18,216,062.20

Finding the Fourth Proportional to 18,499,497.40, 27,749,246.10 and 18,216,062.20

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Solution

The fourth proportional to 18,499,497.40, 27,749,246.10 and 18,216,062.20 is: 27,324,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499,497.40 : 27,749,246.10 = 18,216,062.20 : x
  2. Step 2: Convert to fraction form
    18,499,497.40/27,749,246.10 = 18,216,062.20/x
  3. Step 3: Cross multiply
    18,499,497.40x = 27,749,246.10 × 18,216,062.20
  4. Step 4: Simplify right side
    18,499,497.40x = 505,481,992,960,707.44
  5. Step 5: Solve for x
    x = 505,481,992,960,707.44/18,499,497.40
  6. Step 6: Final answer
    x = 27,324,093.30

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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.