Home / 13,631,164.14-18,809,699.52-7,519,198.98

Finding the Fourth Proportional to 13,631,164.14, 18,809,699.52 and 7,519,198.98

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Solution

The fourth proportional to 13,631,164.14, 18,809,699.52 and 7,519,198.98 is: 10,375,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,164.14 : 18,809,699.52 = 7,519,198.98 : x
  2. Step 2: Convert to fraction form
    13,631,164.14/18,809,699.52 = 7,519,198.98/x
  3. Step 3: Cross multiply
    13,631,164.14x = 18,809,699.52 × 7,519,198.98
  4. Step 4: Simplify right side
    13,631,164.14x = 141,433,873,444,890.50
  5. Step 5: Solve for x
    x = 141,433,873,444,890.50/13,631,164.14
  6. Step 6: Final answer
    x = 10,375,773.63

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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.