Home / 7,382,101.80-11,074,707.90-3,120,076.20

Finding the Fourth Proportional to 7,382,101.80, 11,074,707.90 and 3,120,076.20

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Solution

The fourth proportional to 7,382,101.80, 11,074,707.90 and 3,120,076.20 is: 4,680,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,101.80 : 11,074,707.90 = 3,120,076.20 : x
  2. Step 2: Convert to fraction form
    7,382,101.80/11,074,707.90 = 3,120,076.20/x
  3. Step 3: Cross multiply
    7,382,101.80x = 11,074,707.90 × 3,120,076.20
  4. Step 4: Simplify right side
    7,382,101.80x = 34,553,932,540,741.98
  5. Step 5: Solve for x
    x = 34,553,932,540,741.98/7,382,101.80
  6. Step 6: Final answer
    x = 4,680,771.61

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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.