Home / 21,987,690.30-32,981,789.34-6,635,112.96

Finding the Fourth Proportional to 21,987,690.30, 32,981,789.34 and 6,635,112.96

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Solution

The fourth proportional to 21,987,690.30, 32,981,789.34 and 6,635,112.96 is: 9,952,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,690.30 : 32,981,789.34 = 6,635,112.96 : x
  2. Step 2: Convert to fraction form
    21,987,690.30/32,981,789.34 = 6,635,112.96/x
  3. Step 3: Cross multiply
    21,987,690.30x = 32,981,789.34 × 6,635,112.96
  4. Step 4: Simplify right side
    21,987,690.30x = 218,837,897,893,823.84
  5. Step 5: Solve for x
    x = 218,837,897,893,823.84/21,987,690.30
  6. Step 6: Final answer
    x = 9,952,746.06

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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.