Home / 18,486,400.92-25,502,638.04-11,962,137.04

Finding the Fourth Proportional to 18,486,400.92, 25,502,638.04 and 11,962,137.04

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Solution

The fourth proportional to 18,486,400.92, 25,502,638.04 and 11,962,137.04 is: 16,502,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,400.92 : 25,502,638.04 = 11,962,137.04 : x
  2. Step 2: Convert to fraction form
    18,486,400.92/25,502,638.04 = 11,962,137.04/x
  3. Step 3: Cross multiply
    18,486,400.92x = 25,502,638.04 × 11,962,137.04
  4. Step 4: Simplify right side
    18,486,400.92x = 305,066,051,115,996.94
  5. Step 5: Solve for x
    x = 305,066,051,115,996.94/18,486,400.92
  6. Step 6: Final answer
    x = 16,502,187.33

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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.