Home / 7,873,399.20-11,810,098.80-3,892,087.20

Finding the Fourth Proportional to 7,873,399.20, 11,810,098.80 and 3,892,087.20

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Solution

The fourth proportional to 7,873,399.20, 11,810,098.80 and 3,892,087.20 is: 5,838,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,399.20 : 11,810,098.80 = 3,892,087.20 : x
  2. Step 2: Convert to fraction form
    7,873,399.20/11,810,098.80 = 3,892,087.20/x
  3. Step 3: Cross multiply
    7,873,399.20x = 11,810,098.80 × 3,892,087.20
  4. Step 4: Simplify right side
    7,873,399.20x = 45,965,934,370,215.37
  5. Step 5: Solve for x
    x = 45,965,934,370,215.37/7,873,399.20
  6. Step 6: Final answer
    x = 5,838,130.80

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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.