Home / 20,763,057.14-28,444,912.36-19,986,780.50

Finding the Fourth Proportional to 20,763,057.14, 28,444,912.36 and 19,986,780.50

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Solution

The fourth proportional to 20,763,057.14, 28,444,912.36 and 19,986,780.50 is: 27,381,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,057.14 : 28,444,912.36 = 19,986,780.50 : x
  2. Step 2: Convert to fraction form
    20,763,057.14/28,444,912.36 = 19,986,780.50/x
  3. Step 3: Cross multiply
    20,763,057.14x = 28,444,912.36 × 19,986,780.50
  4. Step 4: Simplify right side
    20,763,057.14x = 568,522,219,681,057
  5. Step 5: Solve for x
    x = 568,522,219,681,057/20,763,057.14
  6. Step 6: Final answer
    x = 27,381,431.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.