Home / 7,320,912.90-10,981,369.35-2,002,128.90

Finding the Fourth Proportional to 7,320,912.90, 10,981,369.35 and 2,002,128.90

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Solution

The fourth proportional to 7,320,912.90, 10,981,369.35 and 2,002,128.90 is: 3,003,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,912.90 : 10,981,369.35 = 2,002,128.90 : x
  2. Step 2: Convert to fraction form
    7,320,912.90/10,981,369.35 = 2,002,128.90/x
  3. Step 3: Cross multiply
    7,320,912.90x = 10,981,369.35 × 2,002,128.90
  4. Step 4: Simplify right side
    7,320,912.90x = 21,986,116,937,209.21
  5. Step 5: Solve for x
    x = 21,986,116,937,209.21/7,320,912.90
  6. Step 6: Final answer
    x = 3,003,193.35

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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.