Home / 8,785,814.40-13,172,500.80-3,392,380.80

Finding the Fourth Proportional to 8,785,814.40, 13,172,500.80 and 3,392,380.80

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Solution

The fourth proportional to 8,785,814.40, 13,172,500.80 and 3,392,380.80 is: 5,086,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,814.40 : 13,172,500.80 = 3,392,380.80 : x
  2. Step 2: Convert to fraction form
    8,785,814.40/13,172,500.80 = 3,392,380.80/x
  3. Step 3: Cross multiply
    8,785,814.40x = 13,172,500.80 × 3,392,380.80
  4. Step 4: Simplify right side
    8,785,814.40x = 44,686,138,801,904.64
  5. Step 5: Solve for x
    x = 44,686,138,801,904.64/8,785,814.40
  6. Step 6: Final answer
    x = 5,086,169.22

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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.