Home / 8,201,344.80-12,305,516.40-3,939,319.20

Finding the Fourth Proportional to 8,201,344.80, 12,305,516.40 and 3,939,319.20

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Solution

The fourth proportional to 8,201,344.80, 12,305,516.40 and 3,939,319.20 is: 5,910,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,344.80 : 12,305,516.40 = 3,939,319.20 : x
  2. Step 2: Convert to fraction form
    8,201,344.80/12,305,516.40 = 3,939,319.20/x
  3. Step 3: Cross multiply
    8,201,344.80x = 12,305,516.40 × 3,939,319.20
  4. Step 4: Simplify right side
    8,201,344.80x = 48,475,357,020,434.88
  5. Step 5: Solve for x
    x = 48,475,357,020,434.88/8,201,344.80
  6. Step 6: Final answer
    x = 5,910,659.56

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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.