Home / 12,952,101.64-17,873,543.94-7,150,777.96

Finding the Fourth Proportional to 12,952,101.64, 17,873,543.94 and 7,150,777.96

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Solution

The fourth proportional to 12,952,101.64, 17,873,543.94 and 7,150,777.96 is: 9,867,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,101.64 : 17,873,543.94 = 7,150,777.96 : x
  2. Step 2: Convert to fraction form
    12,952,101.64/17,873,543.94 = 7,150,777.96/x
  3. Step 3: Cross multiply
    12,952,101.64x = 17,873,543.94 × 7,150,777.96
  4. Step 4: Simplify right side
    12,952,101.64x = 127,809,744,073,243.58
  5. Step 5: Solve for x
    x = 127,809,744,073,243.58/12,952,101.64
  6. Step 6: Final answer
    x = 9,867,876.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.