Home / 13,005,200.59-19,510,540.08-4,917,997.18

Finding the Fourth Proportional to 13,005,200.59, 19,510,540.08 and 4,917,997.18

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Solution

The fourth proportional to 13,005,200.59, 19,510,540.08 and 4,917,997.18 is: 7,378,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,200.59 : 19,510,540.08 = 4,917,997.18 : x
  2. Step 2: Convert to fraction form
    13,005,200.59/19,510,540.08 = 4,917,997.18/x
  3. Step 3: Cross multiply
    13,005,200.59x = 19,510,540.08 × 4,917,997.18
  4. Step 4: Simplify right side
    13,005,200.59x = 95,952,781,093,716.95
  5. Step 5: Solve for x
    x = 95,952,781,093,716.95/13,005,200.59
  6. Step 6: Final answer
    x = 7,378,031.61

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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.