Home / 11,121,761.40-16,661,646.90-5,711,998.20

Finding the Fourth Proportional to 11,121,761.40, 16,661,646.90 and 5,711,998.20

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Solution

The fourth proportional to 11,121,761.40, 16,661,646.90 and 5,711,998.20 is: 8,557,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,761.40 : 16,661,646.90 = 5,711,998.20 : x
  2. Step 2: Convert to fraction form
    11,121,761.40/16,661,646.90 = 5,711,998.20/x
  3. Step 3: Cross multiply
    11,121,761.40x = 16,661,646.90 × 5,711,998.20
  4. Step 4: Simplify right side
    11,121,761.40x = 95,171,297,101,835.58
  5. Step 5: Solve for x
    x = 95,171,297,101,835.58/11,121,761.40
  6. Step 6: Final answer
    x = 8,557,214.43

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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.