Home / 20,627,517.72-28,464,305.58-11,926,248.60

Finding the Fourth Proportional to 20,627,517.72, 28,464,305.58 and 11,926,248.60

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Solution

The fourth proportional to 20,627,517.72, 28,464,305.58 and 11,926,248.60 is: 16,457,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,517.72 : 28,464,305.58 = 11,926,248.60 : x
  2. Step 2: Convert to fraction form
    20,627,517.72/28,464,305.58 = 11,926,248.60/x
  3. Step 3: Cross multiply
    20,627,517.72x = 28,464,305.58 × 11,926,248.60
  4. Step 4: Simplify right side
    20,627,517.72x = 339,472,384,573,447.12
  5. Step 5: Solve for x
    x = 339,472,384,573,447.12/20,627,517.72
  6. Step 6: Final answer
    x = 16,457,258.17

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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.