Home / 8,178,756.82-11,285,129.92-4,914,380.48

Finding the Fourth Proportional to 8,178,756.82, 11,285,129.92 and 4,914,380.48

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Solution

The fourth proportional to 8,178,756.82, 11,285,129.92 and 4,914,380.48 is: 6,780,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,756.82 : 11,285,129.92 = 4,914,380.48 : x
  2. Step 2: Convert to fraction form
    8,178,756.82/11,285,129.92 = 4,914,380.48/x
  3. Step 3: Cross multiply
    8,178,756.82x = 11,285,129.92 × 4,914,380.48
  4. Step 4: Simplify right side
    8,178,756.82x = 55,459,422,112,114.40
  5. Step 5: Solve for x
    x = 55,459,422,112,114.40/8,178,756.82
  6. Step 6: Final answer
    x = 6,780,911.01

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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.