Home / 18,145,220.30-27,217,830.45-18,019,249.10

Finding the Fourth Proportional to 18,145,220.30, 27,217,830.45 and 18,019,249.10

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Solution

The fourth proportional to 18,145,220.30, 27,217,830.45 and 18,019,249.10 is: 27,028,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,220.30 : 27,217,830.45 = 18,019,249.10 : x
  2. Step 2: Convert to fraction form
    18,145,220.30/27,217,830.45 = 18,019,249.10/x
  3. Step 3: Cross multiply
    18,145,220.30x = 27,217,830.45 × 18,019,249.10
  4. Step 4: Simplify right side
    18,145,220.30x = 490,444,866,840,115.12
  5. Step 5: Solve for x
    x = 490,444,866,840,115.12/18,145,220.30
  6. Step 6: Final answer
    x = 27,028,873.65

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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.