Home / 8,621,634.87-12,932,757.81-2,144,743.92

Finding the Fourth Proportional to 8,621,634.87, 12,932,757.81 and 2,144,743.92

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Solution

The fourth proportional to 8,621,634.87, 12,932,757.81 and 2,144,743.92 is: 3,217,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621,634.87 : 12,932,757.81 = 2,144,743.92 : x
  2. Step 2: Convert to fraction form
    8,621,634.87/12,932,757.81 = 2,144,743.92/x
  3. Step 3: Cross multiply
    8,621,634.87x = 12,932,757.81 × 2,144,743.92
  4. Step 4: Simplify right side
    8,621,634.87x = 27,737,453,681,830.02
  5. Step 5: Solve for x
    x = 27,737,453,681,830.02/8,621,634.87
  6. Step 6: Final answer
    x = 3,217,191.88

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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.