Home / 20,795,844.41-31,181,759.54-6,415,051.13

Finding the Fourth Proportional to 20,795,844.41, 31,181,759.54 and 6,415,051.13

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Solution

The fourth proportional to 20,795,844.41, 31,181,759.54 and 6,415,051.13 is: 9,618,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795,844.41 : 31,181,759.54 = 6,415,051.13 : x
  2. Step 2: Convert to fraction form
    20,795,844.41/31,181,759.54 = 6,415,051.13/x
  3. Step 3: Cross multiply
    20,795,844.41x = 31,181,759.54 × 6,415,051.13
  4. Step 4: Simplify right side
    20,795,844.41x = 200,032,581,740,390.03
  5. Step 5: Solve for x
    x = 200,032,581,740,390.03/20,795,844.41
  6. Step 6: Final answer
    x = 9,618,872.78

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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.