Home / 36,211,049.12-49,972,561.86-20,744,123.12

Finding the Fourth Proportional to 36,211,049.12, 49,972,561.86 and 20,744,123.12

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Solution

The fourth proportional to 36,211,049.12, 49,972,561.86 and 20,744,123.12 is: 28,627,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,211,049.12 : 49,972,561.86 = 20,744,123.12 : x
  2. Step 2: Convert to fraction form
    36,211,049.12/49,972,561.86 = 20,744,123.12/x
  3. Step 3: Cross multiply
    36,211,049.12x = 49,972,561.86 × 20,744,123.12
  4. Step 4: Simplify right side
    36,211,049.12x = 1,036,636,975,595,793.25
  5. Step 5: Solve for x
    x = 1,036,636,975,595,793.25/36,211,049.12
  6. Step 6: Final answer
    x = 28,627,642.69

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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.