Home / 7,831,608.17-11,747,978.44-3,278,077.34

Finding the Fourth Proportional to 7,831,608.17, 11,747,978.44 and 3,278,077.34

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Solution

The fourth proportional to 7,831,608.17, 11,747,978.44 and 3,278,077.34 is: 4,917,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,608.17 : 11,747,978.44 = 3,278,077.34 : x
  2. Step 2: Convert to fraction form
    7,831,608.17/11,747,978.44 = 3,278,077.34/x
  3. Step 3: Cross multiply
    7,831,608.17x = 11,747,978.44 × 3,278,077.34
  4. Step 4: Simplify right side
    7,831,608.17x = 38,510,781,848,037.46
  5. Step 5: Solve for x
    x = 38,510,781,848,037.46/7,831,608.17
  6. Step 6: Final answer
    x = 4,917,352.99

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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.