Home / 17,770,129.21-26,635,043.31-8,165,661.72

Finding the Fourth Proportional to 17,770,129.21, 26,635,043.31 and 8,165,661.72

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Solution

The fourth proportional to 17,770,129.21, 26,635,043.31 and 8,165,661.72 is: 12,239,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,770,129.21 : 26,635,043.31 = 8,165,661.72 : x
  2. Step 2: Convert to fraction form
    17,770,129.21/26,635,043.31 = 8,165,661.72/x
  3. Step 3: Cross multiply
    17,770,129.21x = 26,635,043.31 × 8,165,661.72
  4. Step 4: Simplify right side
    17,770,129.21x = 217,492,753,567,009.06
  5. Step 5: Solve for x
    x = 217,492,753,567,009.06/17,770,129.21
  6. Step 6: Final answer
    x = 12,239,233.10

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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.