Home / 7,770,940.80-11,656,411.20-5,881,372.80

Finding the Fourth Proportional to 7,770,940.80, 11,656,411.20 and 5,881,372.80

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Solution

The fourth proportional to 7,770,940.80, 11,656,411.20 and 5,881,372.80 is: 8,822,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,940.80 : 11,656,411.20 = 5,881,372.80 : x
  2. Step 2: Convert to fraction form
    7,770,940.80/11,656,411.20 = 5,881,372.80/x
  3. Step 3: Cross multiply
    7,770,940.80x = 11,656,411.20 × 5,881,372.80
  4. Step 4: Simplify right side
    7,770,940.80x = 68,555,699,777,295.35
  5. Step 5: Solve for x
    x = 68,555,699,777,295.35/7,770,940.80
  6. Step 6: Final answer
    x = 8,822,059.20

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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.