Home / 12,867,496.48-19,304,980.44-5,187,177.73

Finding the Fourth Proportional to 12,867,496.48, 19,304,980.44 and 5,187,177.73

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Solution

The fourth proportional to 12,867,496.48, 19,304,980.44 and 5,187,177.73 is: 7,782,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867,496.48 : 19,304,980.44 = 5,187,177.73 : x
  2. Step 2: Convert to fraction form
    12,867,496.48/19,304,980.44 = 5,187,177.73/x
  3. Step 3: Cross multiply
    12,867,496.48x = 19,304,980.44 × 5,187,177.73
  4. Step 4: Simplify right side
    12,867,496.48x = 100,138,364,493,992.80
  5. Step 5: Solve for x
    x = 100,138,364,493,992.80/12,867,496.48
  6. Step 6: Final answer
    x = 7,782,272.54

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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.