Home / 18,964,935.42-28,435,883.57-7,436,591.56

Finding the Fourth Proportional to 18,964,935.42, 28,435,883.57 and 7,436,591.56

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Solution

The fourth proportional to 18,964,935.42, 28,435,883.57 and 7,436,591.56 is: 11,150,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,935.42 : 28,435,883.57 = 7,436,591.56 : x
  2. Step 2: Convert to fraction form
    18,964,935.42/28,435,883.57 = 7,436,591.56/x
  3. Step 3: Cross multiply
    18,964,935.42x = 28,435,883.57 × 7,436,591.56
  4. Step 4: Simplify right side
    18,964,935.42x = 211,466,051,665,932.78
  5. Step 5: Solve for x
    x = 211,466,051,665,932.78/18,964,935.42
  6. Step 6: Final answer
    x = 11,150,370.25

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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.