Home / 8,009,440.38-12,000,163.77-6,670,218.78

Finding the Fourth Proportional to 8,009,440.38, 12,000,163.77 and 6,670,218.78

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Solution

The fourth proportional to 8,009,440.38, 12,000,163.77 and 6,670,218.78 is: 9,993,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009,440.38 : 12,000,163.77 = 6,670,218.78 : x
  2. Step 2: Convert to fraction form
    8,009,440.38/12,000,163.77 = 6,670,218.78/x
  3. Step 3: Cross multiply
    8,009,440.38x = 12,000,163.77 × 6,670,218.78
  4. Step 4: Simplify right side
    8,009,440.38x = 80,043,717,741,729.59
  5. Step 5: Solve for x
    x = 80,043,717,741,729.59/8,009,440.38
  6. Step 6: Final answer
    x = 9,993,671.71

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1.5x scale

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.