Home / 20,455,934.41-28,229,787.96-11,164,100.44

Finding the Fourth Proportional to 20,455,934.41, 28,229,787.96 and 11,164,100.44

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Solution

The fourth proportional to 20,455,934.41, 28,229,787.96 and 11,164,100.44 is: 15,406,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,934.41 : 28,229,787.96 = 11,164,100.44 : x
  2. Step 2: Convert to fraction form
    20,455,934.41/28,229,787.96 = 11,164,100.44/x
  3. Step 3: Cross multiply
    20,455,934.41x = 28,229,787.96 × 11,164,100.44
  4. Step 4: Simplify right side
    20,455,934.41x = 315,160,188,185,342.69
  5. Step 5: Solve for x
    x = 315,160,188,185,342.69/20,455,934.41
  6. Step 6: Final answer
    x = 15,406,785.23

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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.