Home / 8,163,764.80-12,231,650.40-5,322,414.40

Finding the Fourth Proportional to 8,163,764.80, 12,231,650.40 and 5,322,414.40

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Solution

The fourth proportional to 8,163,764.80, 12,231,650.40 and 5,322,414.40 is: 7,974,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163,764.80 : 12,231,650.40 = 5,322,414.40 : x
  2. Step 2: Convert to fraction form
    8,163,764.80/12,231,650.40 = 5,322,414.40/x
  3. Step 3: Cross multiply
    8,163,764.80x = 12,231,650.40 × 5,322,414.40
  4. Step 4: Simplify right side
    8,163,764.80x = 65,101,912,224,725.77
  5. Step 5: Solve for x
    x = 65,101,912,224,725.77/8,163,764.80
  6. Step 6: Final answer
    x = 7,974,496.30

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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.