Home / 11,917,959.74-17,872,401.98-7,061,636.64

Finding the Fourth Proportional to 11,917,959.74, 17,872,401.98 and 7,061,636.64

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Solution

The fourth proportional to 11,917,959.74, 17,872,401.98 and 7,061,636.64 is: 10,589,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917,959.74 : 17,872,401.98 = 7,061,636.64 : x
  2. Step 2: Convert to fraction form
    11,917,959.74/17,872,401.98 = 7,061,636.64/x
  3. Step 3: Cross multiply
    11,917,959.74x = 17,872,401.98 × 7,061,636.64
  4. Step 4: Simplify right side
    11,917,959.74x = 126,208,408,666,776.55
  5. Step 5: Solve for x
    x = 126,208,408,666,776.55/11,917,959.74
  6. Step 6: Final answer
    x = 10,589,766.32

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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.