Home / 13,992,751.85-19,310,016.09-7,797,662.61

Finding the Fourth Proportional to 13,992,751.85, 19,310,016.09 and 7,797,662.61

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Solution

The fourth proportional to 13,992,751.85, 19,310,016.09 and 7,797,662.61 is: 10,760,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992,751.85 : 19,310,016.09 = 7,797,662.61 : x
  2. Step 2: Convert to fraction form
    13,992,751.85/19,310,016.09 = 7,797,662.61/x
  3. Step 3: Cross multiply
    13,992,751.85x = 19,310,016.09 × 7,797,662.61
  4. Step 4: Simplify right side
    13,992,751.85x = 150,572,990,517,459.44
  5. Step 5: Solve for x
    x = 150,572,990,517,459.44/13,992,751.85
  6. Step 6: Final answer
    x = 10,760,784.74

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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.