Home / 8,858,603.20-13,279,610.40-6,938,449.60

Finding the Fourth Proportional to 8,858,603.20, 13,279,610.40 and 6,938,449.60

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Solution

The fourth proportional to 8,858,603.20, 13,279,610.40 and 6,938,449.60 is: 10,401,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,603.20 : 13,279,610.40 = 6,938,449.60 : x
  2. Step 2: Convert to fraction form
    8,858,603.20/13,279,610.40 = 6,938,449.60/x
  3. Step 3: Cross multiply
    8,858,603.20x = 13,279,610.40 × 6,938,449.60
  4. Step 4: Simplify right side
    8,858,603.20x = 92,139,907,468,035.84
  5. Step 5: Solve for x
    x = 92,139,907,468,035.84/8,858,603.20
  6. Step 6: Final answer
    x = 10,401,177.86

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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.