Home / 19,892,648.45-27,441,806.31-11,627,310.80

Finding the Fourth Proportional to 19,892,648.45, 27,441,806.31 and 11,627,310.80

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Solution

The fourth proportional to 19,892,648.45, 27,441,806.31 and 11,627,310.80 is: 16,039,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892,648.45 : 27,441,806.31 = 11,627,310.80 : x
  2. Step 2: Convert to fraction form
    19,892,648.45/27,441,806.31 = 11,627,310.80/x
  3. Step 3: Cross multiply
    19,892,648.45x = 27,441,806.31 × 11,627,310.80
  4. Step 4: Simplify right side
    19,892,648.45x = 319,074,410,879,771.12
  5. Step 5: Solve for x
    x = 319,074,410,879,771.12/19,892,648.45
  6. Step 6: Final answer
    x = 16,039,815.50

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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.