Home / 28,192,129.80-42,288,194.70-27,814,216.20

Finding the Fourth Proportional to 28,192,129.80, 42,288,194.70 and 27,814,216.20

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Solution

The fourth proportional to 28,192,129.80, 42,288,194.70 and 27,814,216.20 is: 41,721,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,129.80 : 42,288,194.70 = 27,814,216.20 : x
  2. Step 2: Convert to fraction form
    28,192,129.80/42,288,194.70 = 27,814,216.20/x
  3. Step 3: Cross multiply
    28,192,129.80x = 42,288,194.70 × 27,814,216.20
  4. Step 4: Simplify right side
    28,192,129.80x = 1,176,212,990,093,494.25
  5. Step 5: Solve for x
    x = 1,176,212,990,093,494.25/28,192,129.80
  6. Step 6: Final answer
    x = 41,721,324.30

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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.