Home / 12,146,091.90-18,219,137.85-3,170,643.90

Finding the Fourth Proportional to 12,146,091.90, 18,219,137.85 and 3,170,643.90

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Solution

The fourth proportional to 12,146,091.90, 18,219,137.85 and 3,170,643.90 is: 4,755,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,091.90 : 18,219,137.85 = 3,170,643.90 : x
  2. Step 2: Convert to fraction form
    12,146,091.90/18,219,137.85 = 3,170,643.90/x
  3. Step 3: Cross multiply
    12,146,091.90x = 18,219,137.85 × 3,170,643.90
  4. Step 4: Simplify right side
    12,146,091.90x = 57,766,398,287,361.62
  5. Step 5: Solve for x
    x = 57,766,398,287,361.62/12,146,091.90
  6. Step 6: Final answer
    x = 4,755,965.85

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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.