Home / 12,252,076.20-18,378,114.30-12,092,643.90

Finding the Fourth Proportional to 12,252,076.20, 18,378,114.30 and 12,092,643.90

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Solution

The fourth proportional to 12,252,076.20, 18,378,114.30 and 12,092,643.90 is: 18,138,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,076.20 : 18,378,114.30 = 12,092,643.90 : x
  2. Step 2: Convert to fraction form
    12,252,076.20/18,378,114.30 = 12,092,643.90/x
  3. Step 3: Cross multiply
    12,252,076.20x = 18,378,114.30 × 12,092,643.90
  4. Step 4: Simplify right side
    12,252,076.20x = 222,239,991,783,397.78
  5. Step 5: Solve for x
    x = 222,239,991,783,397.78/12,252,076.20
  6. Step 6: Final answer
    x = 18,138,965.85

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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.