Home / 8,308,897.20-12,454,014.60-3,515,770.80

Finding the Fourth Proportional to 8,308,897.20, 12,454,014.60 and 3,515,770.80

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Solution

The fourth proportional to 8,308,897.20, 12,454,014.60 and 3,515,770.80 is: 5,269,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,897.20 : 12,454,014.60 = 3,515,770.80 : x
  2. Step 2: Convert to fraction form
    8,308,897.20/12,454,014.60 = 3,515,770.80/x
  3. Step 3: Cross multiply
    8,308,897.20x = 12,454,014.60 × 3,515,770.80
  4. Step 4: Simplify right side
    8,308,897.20x = 43,785,460,873,453.68
  5. Step 5: Solve for x
    x = 43,785,460,873,453.68/8,308,897.20
  6. Step 6: Final answer
    x = 5,269,707.86

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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.