Home / 18,444,709.20-27,667,063.80-5,665,193.40

Finding the Fourth Proportional to 18,444,709.20, 27,667,063.80 and 5,665,193.40

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Solution

The fourth proportional to 18,444,709.20, 27,667,063.80 and 5,665,193.40 is: 8,497,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,709.20 : 27,667,063.80 = 5,665,193.40 : x
  2. Step 2: Convert to fraction form
    18,444,709.20/27,667,063.80 = 5,665,193.40/x
  3. Step 3: Cross multiply
    18,444,709.20x = 27,667,063.80 × 5,665,193.40
  4. Step 4: Simplify right side
    18,444,709.20x = 156,739,267,237,138.94
  5. Step 5: Solve for x
    x = 156,739,267,237,138.94/18,444,709.20
  6. Step 6: Final answer
    x = 8,497,790.10

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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.