Home / 12,096,524.80-18,144,787.20-5,378,060.80

Finding the Fourth Proportional to 12,096,524.80, 18,144,787.20 and 5,378,060.80

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Solution

The fourth proportional to 12,096,524.80, 18,144,787.20 and 5,378,060.80 is: 8,067,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,524.80 : 18,144,787.20 = 5,378,060.80 : x
  2. Step 2: Convert to fraction form
    12,096,524.80/18,144,787.20 = 5,378,060.80/x
  3. Step 3: Cross multiply
    12,096,524.80x = 18,144,787.20 × 5,378,060.80
  4. Step 4: Simplify right side
    12,096,524.80x = 97,583,768,764,661.75
  5. Step 5: Solve for x
    x = 97,583,768,764,661.75/12,096,524.80
  6. Step 6: Final answer
    x = 8,067,091.20

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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.