Home / 10,811,961.45-14,920,512.59-5,917,180.66

Finding the Fourth Proportional to 10,811,961.45, 14,920,512.59 and 5,917,180.66

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Solution

The fourth proportional to 10,811,961.45, 14,920,512.59 and 5,917,180.66 is: 8,165,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811,961.45 : 14,920,512.59 = 5,917,180.66 : x
  2. Step 2: Convert to fraction form
    10,811,961.45/14,920,512.59 = 5,917,180.66/x
  3. Step 3: Cross multiply
    10,811,961.45x = 14,920,512.59 × 5,917,180.66
  4. Step 4: Simplify right side
    10,811,961.45x = 88,287,368,512,326.17
  5. Step 5: Solve for x
    x = 88,287,368,512,326.17/10,811,961.45
  6. Step 6: Final answer
    x = 8,165,712.48

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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.