Home / 12,635,836.88-18,953,739.96-4,116,159.44

Finding the Fourth Proportional to 12,635,836.88, 18,953,739.96 and 4,116,159.44

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Solution

The fourth proportional to 12,635,836.88, 18,953,739.96 and 4,116,159.44 is: 6,174,234.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,836.88 : 18,953,739.96 = 4,116,159.44 : x
  2. Step 2: Convert to fraction form
    12,635,836.88/18,953,739.96 = 4,116,159.44/x
  3. Step 3: Cross multiply
    12,635,836.88x = 18,953,739.96 × 4,116,159.44
  4. Step 4: Simplify right side
    12,635,836.88x = 78,016,615,659,659.22
  5. Step 5: Solve for x
    x = 78,016,615,659,659.22/12,635,836.88
  6. Step 6: Final answer
    x = 6,174,234.16

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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.