Home / 14,617,786.20-20,171,890.62-8,091,660.12

Finding the Fourth Proportional to 14,617,786.20, 20,171,890.62 and 8,091,660.12

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Solution

The fourth proportional to 14,617,786.20, 20,171,890.62 and 8,091,660.12 is: 11,166,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617,786.20 : 20,171,890.62 = 8,091,660.12 : x
  2. Step 2: Convert to fraction form
    14,617,786.20/20,171,890.62 = 8,091,660.12/x
  3. Step 3: Cross multiply
    14,617,786.20x = 20,171,890.62 × 8,091,660.12
  4. Step 4: Simplify right side
    14,617,786.20x = 163,224,082,874,856.09
  5. Step 5: Solve for x
    x = 163,224,082,874,856.09/14,617,786.20
  6. Step 6: Final answer
    x = 11,166,128.76

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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.