Home / 20,795,844.91-31,181,760.29-6,415,051.63

Finding the Fourth Proportional to 20,795,844.91, 31,181,760.29 and 6,415,051.63

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Solution

The fourth proportional to 20,795,844.91, 31,181,760.29 and 6,415,051.63 is: 9,618,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795,844.91 : 31,181,760.29 = 6,415,051.63 : x
  2. Step 2: Convert to fraction form
    20,795,844.91/31,181,760.29 = 6,415,051.63/x
  3. Step 3: Cross multiply
    20,795,844.91x = 31,181,760.29 × 6,415,051.63
  4. Step 4: Simplify right side
    20,795,844.91x = 200,032,602,142,558.50
  5. Step 5: Solve for x
    x = 200,032,602,142,558.50/20,795,844.91
  6. Step 6: Final answer
    x = 9,618,873.53

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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.