Home / 20,286,360.92-27,995,855.10-11,119,027.16

Finding the Fourth Proportional to 20,286,360.92, 27,995,855.10 and 11,119,027.16

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Solution

The fourth proportional to 20,286,360.92, 27,995,855.10 and 11,119,027.16 is: 15,344,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,360.92 : 27,995,855.10 = 11,119,027.16 : x
  2. Step 2: Convert to fraction form
    20,286,360.92/27,995,855.10 = 11,119,027.16/x
  3. Step 3: Cross multiply
    20,286,360.92x = 27,995,855.10 × 11,119,027.16
  4. Step 4: Simplify right side
    20,286,360.92x = 311,286,673,224,324.56
  5. Step 5: Solve for x
    x = 311,286,673,224,324.56/20,286,360.92
  6. Step 6: Final answer
    x = 15,344,628.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.