Home / 19,727,067.12-27,222,179.73-10,905,990.35

Finding the Fourth Proportional to 19,727,067.12, 27,222,179.73 and 10,905,990.35

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Solution

The fourth proportional to 19,727,067.12, 27,222,179.73 and 10,905,990.35 is: 15,049,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727,067.12 : 27,222,179.73 = 10,905,990.35 : x
  2. Step 2: Convert to fraction form
    19,727,067.12/27,222,179.73 = 10,905,990.35/x
  3. Step 3: Cross multiply
    19,727,067.12x = 27,222,179.73 × 10,905,990.35
  4. Step 4: Simplify right side
    19,727,067.12x = 296,884,829,305,234.75
  5. Step 5: Solve for x
    x = 296,884,829,305,234.75/19,727,067.12
  6. Step 6: Final answer
    x = 15,049,618.25

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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.