Home / 8,271,415.70-12,407,512.35-2,591,825.30

Finding the Fourth Proportional to 8,271,415.70, 12,407,512.35 and 2,591,825.30

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Solution

The fourth proportional to 8,271,415.70, 12,407,512.35 and 2,591,825.30 is: 3,887,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,415.70 : 12,407,512.35 = 2,591,825.30 : x
  2. Step 2: Convert to fraction form
    8,271,415.70/12,407,512.35 = 2,591,825.30/x
  3. Step 3: Cross multiply
    8,271,415.70x = 12,407,512.35 × 2,591,825.30
  4. Step 4: Simplify right side
    8,271,415.70x = 32,158,104,418,792.45
  5. Step 5: Solve for x
    x = 32,158,104,418,792.45/8,271,415.70
  6. Step 6: Final answer
    x = 3,887,859.78

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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.