Home / 14,906,716.20-20,570,789.16-8,380,619.64

Finding the Fourth Proportional to 14,906,716.20, 20,570,789.16 and 8,380,619.64

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Solution

The fourth proportional to 14,906,716.20, 20,570,789.16 and 8,380,619.64 is: 11,564,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,716.20 : 20,570,789.16 = 8,380,619.64 : x
  2. Step 2: Convert to fraction form
    14,906,716.20/20,570,789.16 = 8,380,619.64/x
  3. Step 3: Cross multiply
    14,906,716.20x = 20,570,789.16 × 8,380,619.64
  4. Step 4: Simplify right side
    14,906,716.20x = 172,395,959,644,595.09
  5. Step 5: Solve for x
    x = 172,395,959,644,595.09/14,906,716.20
  6. Step 6: Final answer
    x = 11,564,985.70

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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.