Home / 18,115,212.20-27,204,311.10-9,612,156.20

Finding the Fourth Proportional to 18,115,212.20, 27,204,311.10 and 9,612,156.20

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Solution

The fourth proportional to 18,115,212.20, 27,204,311.10 and 9,612,156.20 is: 14,434,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115,212.20 : 27,204,311.10 = 9,612,156.20 : x
  2. Step 2: Convert to fraction form
    18,115,212.20/27,204,311.10 = 9,612,156.20/x
  3. Step 3: Cross multiply
    18,115,212.20x = 27,204,311.10 × 9,612,156.20
  4. Step 4: Simplify right side
    18,115,212.20x = 261,492,087,606,593.81
  5. Step 5: Solve for x
    x = 261,492,087,606,593.81/18,115,212.20
  6. Step 6: Final answer
    x = 14,434,944.77

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1.5x scale

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.