Home / 7,388,236.80-11,082,355.20-6,670,791.45

Finding the Fourth Proportional to 7,388,236.80, 11,082,355.20 and 6,670,791.45

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Solution

The fourth proportional to 7,388,236.80, 11,082,355.20 and 6,670,791.45 is: 10,006,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,236.80 : 11,082,355.20 = 6,670,791.45 : x
  2. Step 2: Convert to fraction form
    7,388,236.80/11,082,355.20 = 6,670,791.45/x
  3. Step 3: Cross multiply
    7,388,236.80x = 11,082,355.20 × 6,670,791.45
  4. Step 4: Simplify right side
    7,388,236.80x = 73,928,080,314,023.03
  5. Step 5: Solve for x
    x = 73,928,080,314,023.03/7,388,236.80
  6. Step 6: Final answer
    x = 10,006,187.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.