Home / 11,917,961.74-17,872,404.99-7,061,638.65

Finding the Fourth Proportional to 11,917,961.74, 17,872,404.99 and 7,061,638.65

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Solution

The fourth proportional to 11,917,961.74, 17,872,404.99 and 7,061,638.65 is: 10,589,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917,961.74 : 17,872,404.99 = 7,061,638.65 : x
  2. Step 2: Convert to fraction form
    11,917,961.74/17,872,404.99 = 7,061,638.65/x
  3. Step 3: Cross multiply
    11,917,961.74x = 17,872,404.99 × 7,061,638.65
  4. Step 4: Simplify right side
    11,917,961.74x = 126,208,465,845,836.86
  5. Step 5: Solve for x
    x = 126,208,465,845,836.86/11,917,961.74
  6. Step 6: Final answer
    x = 10,589,769.34

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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.