Home / 6,911,997.60-10,367,996.40-2,119,648.80

Finding the Fourth Proportional to 6,911,997.60, 10,367,996.40 and 2,119,648.80

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Solution

The fourth proportional to 6,911,997.60, 10,367,996.40 and 2,119,648.80 is: 3,179,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,997.60 : 10,367,996.40 = 2,119,648.80 : x
  2. Step 2: Convert to fraction form
    6,911,997.60/10,367,996.40 = 2,119,648.80/x
  3. Step 3: Cross multiply
    6,911,997.60x = 10,367,996.40 × 2,119,648.80
  4. Step 4: Simplify right side
    6,911,997.60x = 21,976,511,127,664.32
  5. Step 5: Solve for x
    x = 21,976,511,127,664.32/6,911,997.60
  6. Step 6: Final answer
    x = 3,179,473.20

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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.