Home / 12,311,994.30-18,467,991.45-12,144,032.70

Finding the Fourth Proportional to 12,311,994.30, 18,467,991.45 and 12,144,032.70

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Solution

The fourth proportional to 12,311,994.30, 18,467,991.45 and 12,144,032.70 is: 18,216,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,994.30 : 18,467,991.45 = 12,144,032.70 : x
  2. Step 2: Convert to fraction form
    12,311,994.30/18,467,991.45 = 12,144,032.70/x
  3. Step 3: Cross multiply
    12,311,994.30x = 18,467,991.45 × 12,144,032.70
  4. Step 4: Simplify right side
    12,311,994.30x = 224,275,892,072,120.41
  5. Step 5: Solve for x
    x = 224,275,892,072,120.41/12,311,994.30
  6. Step 6: Final answer
    x = 18,216,049.05

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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.