Home / 18,027,698.88-27,068,563.24-15,606,320.83

Finding the Fourth Proportional to 18,027,698.88, 27,068,563.24 and 15,606,320.83

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Solution

The fourth proportional to 18,027,698.88, 27,068,563.24 and 15,606,320.83 is: 23,432,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027,698.88 : 27,068,563.24 = 15,606,320.83 : x
  2. Step 2: Convert to fraction form
    18,027,698.88/27,068,563.24 = 15,606,320.83/x
  3. Step 3: Cross multiply
    18,027,698.88x = 27,068,563.24 × 15,606,320.83
  4. Step 4: Simplify right side
    18,027,698.88x = 422,440,682,311,682.62
  5. Step 5: Solve for x
    x = 422,440,682,311,682.62/18,027,698.88
  6. Step 6: Final answer
    x = 23,432,867.67

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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.