Home / 14,092,959.78-19,449,789.93-7,981,645.86

Finding the Fourth Proportional to 14,092,959.78, 19,449,789.93 and 7,981,645.86

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Solution

The fourth proportional to 14,092,959.78, 19,449,789.93 and 7,981,645.86 is: 11,015,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092,959.78 : 19,449,789.93 = 7,981,645.86 : x
  2. Step 2: Convert to fraction form
    14,092,959.78/19,449,789.93 = 7,981,645.86/x
  3. Step 3: Cross multiply
    14,092,959.78x = 19,449,789.93 × 7,981,645.86
  4. Step 4: Simplify right side
    14,092,959.78x = 155,241,335,272,654.19
  5. Step 5: Solve for x
    x = 155,241,335,272,654.19/14,092,959.78
  6. Step 6: Final answer
    x = 11,015,523.90

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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.