Home / 13,324,546.58-18,388,000.96-7,818,015.11

Finding the Fourth Proportional to 13,324,546.58, 18,388,000.96 and 7,818,015.11

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Solution

The fourth proportional to 13,324,546.58, 18,388,000.96 and 7,818,015.11 is: 10,788,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,546.58 : 18,388,000.96 = 7,818,015.11 : x
  2. Step 2: Convert to fraction form
    13,324,546.58/18,388,000.96 = 7,818,015.11/x
  3. Step 3: Cross multiply
    13,324,546.58x = 18,388,000.96 × 7,818,015.11
  4. Step 4: Simplify right side
    13,324,546.58x = 143,757,669,236,489.47
  5. Step 5: Solve for x
    x = 143,757,669,236,489.47/13,324,546.58
  6. Step 6: Final answer
    x = 10,788,935.18

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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.