Home / 12,076,104.60-18,108,908.10-3,985,954.20

Finding the Fourth Proportional to 12,076,104.60, 18,108,908.10 and 3,985,954.20

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Solution

The fourth proportional to 12,076,104.60, 18,108,908.10 and 3,985,954.20 is: 5,977,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076,104.60 : 18,108,908.10 = 3,985,954.20 : x
  2. Step 2: Convert to fraction form
    12,076,104.60/18,108,908.10 = 3,985,954.20/x
  3. Step 3: Cross multiply
    12,076,104.60x = 18,108,908.10 × 3,985,954.20
  4. Step 4: Simplify right side
    12,076,104.60x = 72,181,278,298,609.03
  5. Step 5: Solve for x
    x = 72,181,278,298,609.03/12,076,104.60
  6. Step 6: Final answer
    x = 5,977,198.83

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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.