Home / 7,324,636.80-10,991,620.80-4,291,996.80

Finding the Fourth Proportional to 7,324,636.80, 10,991,620.80 and 4,291,996.80

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Solution

The fourth proportional to 7,324,636.80, 10,991,620.80 and 4,291,996.80 is: 6,440,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324,636.80 : 10,991,620.80 = 4,291,996.80 : x
  2. Step 2: Convert to fraction form
    7,324,636.80/10,991,620.80 = 4,291,996.80/x
  3. Step 3: Cross multiply
    7,324,636.80x = 10,991,620.80 × 4,291,996.80
  4. Step 4: Simplify right side
    7,324,636.80x = 47,176,001,300,413.44
  5. Step 5: Solve for x
    x = 47,176,001,300,413.44/7,324,636.80
  6. Step 6: Final answer
    x = 6,440,729.09

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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.