Home / 15,990,954.38-22,068,043.54-8,747,610.38

Finding the Fourth Proportional to 15,990,954.38, 22,068,043.54 and 8,747,610.38

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Solution

The fourth proportional to 15,990,954.38, 22,068,043.54 and 8,747,610.38 is: 12,071,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,954.38 : 22,068,043.54 = 8,747,610.38 : x
  2. Step 2: Convert to fraction form
    15,990,954.38/22,068,043.54 = 8,747,610.38/x
  3. Step 3: Cross multiply
    15,990,954.38x = 22,068,043.54 × 8,747,610.38
  4. Step 4: Simplify right side
    15,990,954.38x = 193,042,646,626,455.72
  5. Step 5: Solve for x
    x = 193,042,646,626,455.72/15,990,954.38
  6. Step 6: Final answer
    x = 12,071,990.33

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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.