Home / 8,137,090.20-12,197,859.30-3,018,149.40

Finding the Fourth Proportional to 8,137,090.20, 12,197,859.30 and 3,018,149.40

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Solution

The fourth proportional to 8,137,090.20, 12,197,859.30 and 3,018,149.40 is: 4,524,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137,090.20 : 12,197,859.30 = 3,018,149.40 : x
  2. Step 2: Convert to fraction form
    8,137,090.20/12,197,859.30 = 3,018,149.40/x
  3. Step 3: Cross multiply
    8,137,090.20x = 12,197,859.30 × 3,018,149.40
  4. Step 4: Simplify right side
    8,137,090.20x = 36,814,961,727,579.42
  5. Step 5: Solve for x
    x = 36,814,961,727,579.42/8,137,090.20
  6. Step 6: Final answer
    x = 4,524,339.88

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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.