Home / 18,145,358.55-27,218,037.83-18,019,387.35

Finding the Fourth Proportional to 18,145,358.55, 27,218,037.83 and 18,019,387.35

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Solution

The fourth proportional to 18,145,358.55, 27,218,037.83 and 18,019,387.35 is: 27,029,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,358.55 : 27,218,037.83 = 18,019,387.35 : x
  2. Step 2: Convert to fraction form
    18,145,358.55/27,218,037.83 = 18,019,387.35/x
  3. Step 3: Cross multiply
    18,145,358.55x = 27,218,037.83 × 18,019,387.35
  4. Step 4: Simplify right side
    18,145,358.55x = 490,452,366,475,626.56
  5. Step 5: Solve for x
    x = 490,452,366,475,626.56/18,145,358.55
  6. Step 6: Final answer
    x = 27,029,081.03

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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.