Home / 12,080,548.55-18,123,660.80-3,993,523.51

Finding the Fourth Proportional to 12,080,548.55, 18,123,660.80 and 3,993,523.51

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Solution

The fourth proportional to 12,080,548.55, 18,123,660.80 and 3,993,523.51 is: 5,991,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080,548.55 : 18,123,660.80 = 3,993,523.51 : x
  2. Step 2: Convert to fraction form
    12,080,548.55/18,123,660.80 = 3,993,523.51/x
  3. Step 3: Cross multiply
    12,080,548.55x = 18,123,660.80 × 3,993,523.51
  4. Step 4: Simplify right side
    12,080,548.55x = 72,377,265,475,746.20
  5. Step 5: Solve for x
    x = 72,377,265,475,746.20/12,080,548.55
  6. Step 6: Final answer
    x = 5,991,223.43

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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.