Home / 13,310,051.66-18,367,871.25-7,198,480.22

Finding the Fourth Proportional to 13,310,051.66, 18,367,871.25 and 7,198,480.22

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Solution

The fourth proportional to 13,310,051.66, 18,367,871.25 and 7,198,480.22 is: 9,933,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,051.66 : 18,367,871.25 = 7,198,480.22 : x
  2. Step 2: Convert to fraction form
    13,310,051.66/18,367,871.25 = 7,198,480.22/x
  3. Step 3: Cross multiply
    13,310,051.66x = 18,367,871.25 × 7,198,480.22
  4. Step 4: Simplify right side
    13,310,051.66x = 132,220,757,876,631.67
  5. Step 5: Solve for x
    x = 132,220,757,876,631.67/13,310,051.66
  6. Step 6: Final answer
    x = 9,933,902.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.