Home / 7,388,125.20-11,082,187.80-6,378,387.30

Finding the Fourth Proportional to 7,388,125.20, 11,082,187.80 and 6,378,387.30

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Solution

The fourth proportional to 7,388,125.20, 11,082,187.80 and 6,378,387.30 is: 9,567,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,125.20 : 11,082,187.80 = 6,378,387.30 : x
  2. Step 2: Convert to fraction form
    7,388,125.20/11,082,187.80 = 6,378,387.30/x
  3. Step 3: Cross multiply
    7,388,125.20x = 11,082,187.80 × 6,378,387.30
  4. Step 4: Simplify right side
    7,388,125.20x = 70,686,485,919,734.94
  5. Step 5: Solve for x
    x = 70,686,485,919,734.94/7,388,125.20
  6. Step 6: Final answer
    x = 9,567,580.95

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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.