Home / 21,917,539.92-32,876,531.82-9,787,621.44

Finding the Fourth Proportional to 21,917,539.92, 32,876,531.82 and 9,787,621.44

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Solution

The fourth proportional to 21,917,539.92, 32,876,531.82 and 9,787,621.44 is: 14,681,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,917,539.92 : 32,876,531.82 = 9,787,621.44 : x
  2. Step 2: Convert to fraction form
    21,917,539.92/32,876,531.82 = 9,787,621.44/x
  3. Step 3: Cross multiply
    21,917,539.92x = 32,876,531.82 × 9,787,621.44
  4. Step 4: Simplify right side
    21,917,539.92x = 321,783,047,714,274.19
  5. Step 5: Solve for x
    x = 321,783,047,714,274.19/21,917,539.92
  6. Step 6: Final answer
    x = 14,681,531.27

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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.