Home / 8,859,548.20-13,289,322.30-8,691,586.60

Finding the Fourth Proportional to 8,859,548.20, 13,289,322.30 and 8,691,586.60

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Solution

The fourth proportional to 8,859,548.20, 13,289,322.30 and 8,691,586.60 is: 13,037,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,548.20 : 13,289,322.30 = 8,691,586.60 : x
  2. Step 2: Convert to fraction form
    8,859,548.20/13,289,322.30 = 8,691,586.60/x
  3. Step 3: Cross multiply
    8,859,548.20x = 13,289,322.30 × 8,691,586.60
  4. Step 4: Simplify right side
    8,859,548.20x = 115,505,295,625,761.19
  5. Step 5: Solve for x
    x = 115,505,295,625,761.19/8,859,548.20
  6. Step 6: Final answer
    x = 13,037,379.90

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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.