Home / 36,908,318.84-50,933,907.46-20,388,101.18

Finding the Fourth Proportional to 36,908,318.84, 50,933,907.46 and 20,388,101.18

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Solution

The fourth proportional to 36,908,318.84, 50,933,907.46 and 20,388,101.18 is: 28,135,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,908,318.84 : 50,933,907.46 = 20,388,101.18 : x
  2. Step 2: Convert to fraction form
    36,908,318.84/50,933,907.46 = 20,388,101.18/x
  3. Step 3: Cross multiply
    36,908,318.84x = 50,933,907.46 × 20,388,101.18
  4. Step 4: Simplify right side
    36,908,318.84x = 1,038,445,658,787,236.75
  5. Step 5: Solve for x
    x = 1,038,445,658,787,236.75/36,908,318.84
  6. Step 6: Final answer
    x = 28,135,815.76

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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.