Home / 7,831,610.89-11,747,982.52-3,278,080.06

Finding the Fourth Proportional to 7,831,610.89, 11,747,982.52 and 3,278,080.06

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Solution

The fourth proportional to 7,831,610.89, 11,747,982.52 and 3,278,080.06 is: 4,917,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,610.89 : 11,747,982.52 = 3,278,080.06 : x
  2. Step 2: Convert to fraction form
    7,831,610.89/11,747,982.52 = 3,278,080.06/x
  3. Step 3: Cross multiply
    7,831,610.89x = 11,747,982.52 × 3,278,080.06
  4. Step 4: Simplify right side
    7,831,610.89x = 38,510,827,244,040.55
  5. Step 5: Solve for x
    x = 38,510,827,244,040.55/7,831,610.89
  6. Step 6: Final answer
    x = 4,917,357.08

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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.