Home / 33,988,808.40-50,933,757.20-21,007,242.96

Finding the Fourth Proportional to 33,988,808.40, 50,933,757.20 and 21,007,242.96

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Solution

The fourth proportional to 33,988,808.40, 50,933,757.20 and 21,007,242.96 is: 31,480,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,988,808.40 : 50,933,757.20 = 21,007,242.96 : x
  2. Step 2: Convert to fraction form
    33,988,808.40/50,933,757.20 = 21,007,242.96/x
  3. Step 3: Cross multiply
    33,988,808.40x = 50,933,757.20 × 21,007,242.96
  4. Step 4: Simplify right side
    33,988,808.40x = 1,069,977,812,366,049.38
  5. Step 5: Solve for x
    x = 1,069,977,812,366,049.38/33,988,808.40
  6. Step 6: Final answer
    x = 31,480,297.86

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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.