Home / 12,231,198.80-18,346,798.20-6,562,494.80

Finding the Fourth Proportional to 12,231,198.80, 18,346,798.20 and 6,562,494.80

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Solution

The fourth proportional to 12,231,198.80, 18,346,798.20 and 6,562,494.80 is: 9,843,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,198.80 : 18,346,798.20 = 6,562,494.80 : x
  2. Step 2: Convert to fraction form
    12,231,198.80/18,346,798.20 = 6,562,494.80/x
  3. Step 3: Cross multiply
    12,231,198.80x = 18,346,798.20 × 6,562,494.80
  4. Step 4: Simplify right side
    12,231,198.80x = 120,400,767,784,149.36
  5. Step 5: Solve for x
    x = 120,400,767,784,149.36/12,231,198.80
  6. Step 6: Final answer
    x = 9,843,742.20

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Double scale
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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.