Home / 11,339,039.20-17,008,558.80-8,174,012.80

Finding the Fourth Proportional to 11,339,039.20, 17,008,558.80 and 8,174,012.80

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Solution

The fourth proportional to 11,339,039.20, 17,008,558.80 and 8,174,012.80 is: 12,261,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339,039.20 : 17,008,558.80 = 8,174,012.80 : x
  2. Step 2: Convert to fraction form
    11,339,039.20/17,008,558.80 = 8,174,012.80/x
  3. Step 3: Cross multiply
    11,339,039.20x = 17,008,558.80 × 8,174,012.80
  4. Step 4: Simplify right side
    11,339,039.20x = 139,028,177,340,752.64
  5. Step 5: Solve for x
    x = 139,028,177,340,752.64/11,339,039.20
  6. Step 6: Final answer
    x = 12,261,019.20

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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.