Home / 8,143,370.62-12,215,048.04-2,078,102.36

Finding the Fourth Proportional to 8,143,370.62, 12,215,048.04 and 2,078,102.36

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Solution

The fourth proportional to 8,143,370.62, 12,215,048.04 and 2,078,102.36 is: 3,117,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,370.62 : 12,215,048.04 = 2,078,102.36 : x
  2. Step 2: Convert to fraction form
    8,143,370.62/12,215,048.04 = 2,078,102.36/x
  3. Step 3: Cross multiply
    8,143,370.62x = 12,215,048.04 × 2,078,102.36
  4. Step 4: Simplify right side
    8,143,370.62x = 25,384,120,189,974.99
  5. Step 5: Solve for x
    x = 25,384,120,189,974.99/8,143,370.62
  6. Step 6: Final answer
    x = 3,117,151.53

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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.