Home / 18,486,410.92-25,502,651.84-11,962,147.04

Finding the Fourth Proportional to 18,486,410.92, 25,502,651.84 and 11,962,147.04

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Solution

The fourth proportional to 18,486,410.92, 25,502,651.84 and 11,962,147.04 is: 16,502,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,410.92 : 25,502,651.84 = 11,962,147.04 : x
  2. Step 2: Convert to fraction form
    18,486,410.92/25,502,651.84 = 11,962,147.04/x
  3. Step 3: Cross multiply
    18,486,410.92x = 25,502,651.84 × 11,962,147.04
  4. Step 4: Simplify right side
    18,486,410.92x = 305,066,471,220,006.50
  5. Step 5: Solve for x
    x = 305,066,471,220,006.50/18,486,410.92
  6. Step 6: Final answer
    x = 16,502,201.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.