Home / 18,659,739.72-28,002,220.92-6,529,308.25

Finding the Fourth Proportional to 18,659,739.72, 28,002,220.92 and 6,529,308.25

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Solution

The fourth proportional to 18,659,739.72, 28,002,220.92 and 6,529,308.25 is: 9,798,375.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659,739.72 : 28,002,220.92 = 6,529,308.25 : x
  2. Step 2: Convert to fraction form
    18,659,739.72/28,002,220.92 = 6,529,308.25/x
  3. Step 3: Cross multiply
    18,659,739.72x = 28,002,220.92 × 6,529,308.25
  4. Step 4: Simplify right side
    18,659,739.72x = 182,835,132,108,637.59
  5. Step 5: Solve for x
    x = 182,835,132,108,637.59/18,659,739.72
  6. Step 6: Final answer
    x = 9,798,375.27

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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.