Home / 28,375,091.42-39,149,524.99-15,980,849.84

Finding the Fourth Proportional to 28,375,091.42, 39,149,524.99 and 15,980,849.84

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Solution

The fourth proportional to 28,375,091.42, 39,149,524.99 and 15,980,849.84 is: 22,049,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375,091.42 : 39,149,524.99 = 15,980,849.84 : x
  2. Step 2: Convert to fraction form
    28,375,091.42/39,149,524.99 = 15,980,849.84/x
  3. Step 3: Cross multiply
    28,375,091.42x = 39,149,524.99 × 15,980,849.84
  4. Step 4: Simplify right side
    28,375,091.42x = 625,642,680,335,289.50
  5. Step 5: Solve for x
    x = 625,642,680,335,289.50/28,375,091.42
  6. Step 6: Final answer
    x = 22,049,010.21

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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.