Home / 18,425,976.76-25,436,001.20-11,902,786.32

Finding the Fourth Proportional to 18,425,976.76, 25,436,001.20 and 11,902,786.32

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Solution

The fourth proportional to 18,425,976.76, 25,436,001.20 and 11,902,786.32 is: 16,431,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425,976.76 : 25,436,001.20 = 11,902,786.32 : x
  2. Step 2: Convert to fraction form
    18,425,976.76/25,436,001.20 = 11,902,786.32/x
  3. Step 3: Cross multiply
    18,425,976.76x = 25,436,001.20 × 11,902,786.32
  4. Step 4: Simplify right side
    18,425,976.76x = 302,759,287,118,863.56
  5. Step 5: Solve for x
    x = 302,759,287,118,863.56/18,425,976.76
  6. Step 6: Final answer
    x = 16,431,111.96

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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.