Home / 8,545,422.11-12,819,258.77-2,786,133.24

Finding the Fourth Proportional to 8,545,422.11, 12,819,258.77 and 2,786,133.24

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Solution

The fourth proportional to 8,545,422.11, 12,819,258.77 and 2,786,133.24 is: 4,179,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545,422.11 : 12,819,258.77 = 2,786,133.24 : x
  2. Step 2: Convert to fraction form
    8,545,422.11/12,819,258.77 = 2,786,133.24/x
  3. Step 3: Cross multiply
    8,545,422.11x = 12,819,258.77 × 2,786,133.24
  4. Step 4: Simplify right side
    8,545,422.11x = 35,716,162,957,327.85
  5. Step 5: Solve for x
    x = 35,716,162,957,327.85/8,545,422.11
  6. Step 6: Final answer
    x = 4,179,566.85

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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.