Home / 15,441,821.92-21,312,268.80-8,568,518.32

Finding the Fourth Proportional to 15,441,821.92, 21,312,268.80 and 8,568,518.32

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Solution

The fourth proportional to 15,441,821.92, 21,312,268.80 and 8,568,518.32 is: 11,825,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441,821.92 : 21,312,268.80 = 8,568,518.32 : x
  2. Step 2: Convert to fraction form
    15,441,821.92/21,312,268.80 = 8,568,518.32/x
  3. Step 3: Cross multiply
    15,441,821.92x = 21,312,268.80 × 8,568,518.32
  4. Step 4: Simplify right side
    15,441,821.92x = 182,614,565,653,564.44
  5. Step 5: Solve for x
    x = 182,614,565,653,564.44/15,441,821.92
  6. Step 6: Final answer
    x = 11,825,972.78

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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.