Home / 7,877,042.06-11,815,657.17-2,196,920.78

Finding the Fourth Proportional to 7,877,042.06, 11,815,657.17 and 2,196,920.78

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Solution

The fourth proportional to 7,877,042.06, 11,815,657.17 and 2,196,920.78 is: 3,295,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,042.06 : 11,815,657.17 = 2,196,920.78 : x
  2. Step 2: Convert to fraction form
    7,877,042.06/11,815,657.17 = 2,196,920.78/x
  3. Step 3: Cross multiply
    7,877,042.06x = 11,815,657.17 × 2,196,920.78
  4. Step 4: Simplify right side
    7,877,042.06x = 25,958,062,766,128.99
  5. Step 5: Solve for x
    x = 25,958,062,766,128.99/7,877,042.06
  6. Step 6: Final answer
    x = 3,295,407.41

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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.