Home / 16,876,879.71-23,290,205.83-9,141,922.04

Finding the Fourth Proportional to 16,876,879.71, 23,290,205.83 and 9,141,922.04

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Solution

The fourth proportional to 16,876,879.71, 23,290,205.83 and 9,141,922.04 is: 12,615,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876,879.71 : 23,290,205.83 = 9,141,922.04 : x
  2. Step 2: Convert to fraction form
    16,876,879.71/23,290,205.83 = 9,141,922.04/x
  3. Step 3: Cross multiply
    16,876,879.71x = 23,290,205.83 × 9,141,922.04
  4. Step 4: Simplify right side
    16,876,879.71x = 212,917,245,879,814.75
  5. Step 5: Solve for x
    x = 212,917,245,879,814.75/16,876,879.71
  6. Step 6: Final answer
    x = 12,615,912.98

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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.