Home / 38,320,106.75-57,479,618.73-17,838,370.61

Finding the Fourth Proportional to 38,320,106.75, 57,479,618.73 and 17,838,370.61

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Solution

The fourth proportional to 38,320,106.75, 57,479,618.73 and 17,838,370.61 is: 26,757,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320,106.75 : 57,479,618.73 = 17,838,370.61 : x
  2. Step 2: Convert to fraction form
    38,320,106.75/57,479,618.73 = 17,838,370.61/x
  3. Step 3: Cross multiply
    38,320,106.75x = 57,479,618.73 × 17,838,370.61
  4. Step 4: Simplify right side
    38,320,106.75x = 1,025,342,741,422,281.88
  5. Step 5: Solve for x
    x = 1,025,342,741,422,281.88/38,320,106.75
  6. Step 6: Final answer
    x = 26,757,303.89

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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.