Home / 15,183,815.82-20,953,665.84-8,308,297.88

Finding the Fourth Proportional to 15,183,815.82, 20,953,665.84 and 8,308,297.88

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Solution

The fourth proportional to 15,183,815.82, 20,953,665.84 and 8,308,297.88 is: 11,465,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183,815.82 : 20,953,665.84 = 8,308,297.88 : x
  2. Step 2: Convert to fraction form
    15,183,815.82/20,953,665.84 = 8,308,297.88/x
  3. Step 3: Cross multiply
    15,183,815.82x = 20,953,665.84 × 8,308,297.88
  4. Step 4: Simplify right side
    15,183,815.82x = 174,089,297,371,932.09
  5. Step 5: Solve for x
    x = 174,089,297,371,932.09/15,183,815.82
  6. Step 6: Final answer
    x = 11,465,451.07

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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.