Home / 18,512,051.49-25,534,330.25-11,904,993.27

Finding the Fourth Proportional to 18,512,051.49, 25,534,330.25 and 11,904,993.27

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Solution

The fourth proportional to 18,512,051.49, 25,534,330.25 and 11,904,993.27 is: 16,420,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512,051.49 : 25,534,330.25 = 11,904,993.27 : x
  2. Step 2: Convert to fraction form
    18,512,051.49/25,534,330.25 = 11,904,993.27/x
  3. Step 3: Cross multiply
    18,512,051.49x = 25,534,330.25 × 11,904,993.27
  4. Step 4: Simplify right side
    18,512,051.49x = 303,986,029,720,682.44
  5. Step 5: Solve for x
    x = 303,986,029,720,682.44/18,512,051.49
  6. Step 6: Final answer
    x = 16,420,980.13

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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.