Home / 7,873,340.20-11,810,010.30-3,892,028.20

Finding the Fourth Proportional to 7,873,340.20, 11,810,010.30 and 3,892,028.20

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Solution

The fourth proportional to 7,873,340.20, 11,810,010.30 and 3,892,028.20 is: 5,838,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,340.20 : 11,810,010.30 = 3,892,028.20 : x
  2. Step 2: Convert to fraction form
    7,873,340.20/11,810,010.30 = 3,892,028.20/x
  3. Step 3: Cross multiply
    7,873,340.20x = 11,810,010.30 × 3,892,028.20
  4. Step 4: Simplify right side
    7,873,340.20x = 45,964,893,129,890.47
  5. Step 5: Solve for x
    x = 45,964,893,129,890.47/7,873,340.20
  6. Step 6: Final answer
    x = 5,838,042.30

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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.