Home / 19,088,544.62-28,629,120.90-7,416,895.61

Finding the Fourth Proportional to 19,088,544.62, 28,629,120.90 and 7,416,895.61

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Solution

The fourth proportional to 19,088,544.62, 28,629,120.90 and 7,416,895.61 is: 11,123,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088,544.62 : 28,629,120.90 = 7,416,895.61 : x
  2. Step 2: Convert to fraction form
    19,088,544.62/28,629,120.90 = 7,416,895.61/x
  3. Step 3: Cross multiply
    19,088,544.62x = 28,629,120.90 × 7,416,895.61
  4. Step 4: Simplify right side
    19,088,544.62x = 212,339,201,121,369.25
  5. Step 5: Solve for x
    x = 212,339,201,121,369.25/19,088,544.62
  6. Step 6: Final answer
    x = 11,123,907.31

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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.