Home / 18,143,912.34-27,221,183.73-5,364,749.70

Finding the Fourth Proportional to 18,143,912.34, 27,221,183.73 and 5,364,749.70

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Solution

The fourth proportional to 18,143,912.34, 27,221,183.73 and 5,364,749.70 is: 8,048,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,912.34 : 27,221,183.73 = 5,364,749.70 : x
  2. Step 2: Convert to fraction form
    18,143,912.34/27,221,183.73 = 5,364,749.70/x
  3. Step 3: Cross multiply
    18,143,912.34x = 27,221,183.73 × 5,364,749.70
  4. Step 4: Simplify right side
    18,143,912.34x = 146,034,837,249,162.38
  5. Step 5: Solve for x
    x = 146,034,837,249,162.38/18,143,912.34
  6. Step 6: Final answer
    x = 8,048,696.14

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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.