Home / 18,705,517.44-25,813,091.52-10,557,513.60

Finding the Fourth Proportional to 18,705,517.44, 25,813,091.52 and 10,557,513.60

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Solution

The fourth proportional to 18,705,517.44, 25,813,091.52 and 10,557,513.60 is: 14,569,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705,517.44 : 25,813,091.52 = 10,557,513.60 : x
  2. Step 2: Convert to fraction form
    18,705,517.44/25,813,091.52 = 10,557,513.60/x
  3. Step 3: Cross multiply
    18,705,517.44x = 25,813,091.52 × 10,557,513.60
  4. Step 4: Simplify right side
    18,705,517.44x = 272,522,064,780,444.66
  5. Step 5: Solve for x
    x = 272,522,064,780,444.66/18,705,517.44
  6. Step 6: Final answer
    x = 14,569,073.84

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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.