Home / 7,320,913.40-10,981,370.10-2,002,129.40

Finding the Fourth Proportional to 7,320,913.40, 10,981,370.10 and 2,002,129.40

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Solution

The fourth proportional to 7,320,913.40, 10,981,370.10 and 2,002,129.40 is: 3,003,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,913.40 : 10,981,370.10 = 2,002,129.40 : x
  2. Step 2: Convert to fraction form
    7,320,913.40/10,981,370.10 = 2,002,129.40/x
  3. Step 3: Cross multiply
    7,320,913.40x = 10,981,370.10 × 2,002,129.40
  4. Step 4: Simplify right side
    7,320,913.40x = 21,986,123,929,490.94
  5. Step 5: Solve for x
    x = 21,986,123,929,490.94/7,320,913.40
  6. Step 6: Final answer
    x = 3,003,194.10

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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.