Home / 6,379,012.80-8,799,124.03-4,083,187.68

Finding the Fourth Proportional to 6,379,012.80, 8,799,124.03 and 4,083,187.68

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Solution

The fourth proportional to 6,379,012.80, 8,799,124.03 and 4,083,187.68 is: 5,632,293.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379,012.80 : 8,799,124.03 = 4,083,187.68 : x
  2. Step 2: Convert to fraction form
    6,379,012.80/8,799,124.03 = 4,083,187.68/x
  3. Step 3: Cross multiply
    6,379,012.80x = 8,799,124.03 × 4,083,187.68
  4. Step 4: Simplify right side
    6,379,012.80x = 35,928,474,823,879.98
  5. Step 5: Solve for x
    x = 35,928,474,823,879.98/6,379,012.80
  6. Step 6: Final answer
    x = 5,632,293.89

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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.