Home / 18,601,645.20-27,887,410.44-5,815,568.40

Finding the Fourth Proportional to 18,601,645.20, 27,887,410.44 and 5,815,568.40

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Solution

The fourth proportional to 18,601,645.20, 27,887,410.44 and 5,815,568.40 is: 8,718,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601,645.20 : 27,887,410.44 = 5,815,568.40 : x
  2. Step 2: Convert to fraction form
    18,601,645.20/27,887,410.44 = 5,815,568.40/x
  3. Step 3: Cross multiply
    18,601,645.20x = 27,887,410.44 × 5,815,568.40
  4. Step 4: Simplify right side
    18,601,645.20x = 162,181,142,912,694.12
  5. Step 5: Solve for x
    x = 162,181,142,912,694.12/18,601,645.20
  6. Step 6: Final answer
    x = 8,718,645.11

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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.