Home / 12,328,604.39-18,493,031.43-5,505,525.25

Finding the Fourth Proportional to 12,328,604.39, 18,493,031.43 and 5,505,525.25

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Solution

The fourth proportional to 12,328,604.39, 18,493,031.43 and 5,505,525.25 is: 8,258,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328,604.39 : 18,493,031.43 = 5,505,525.25 : x
  2. Step 2: Convert to fraction form
    12,328,604.39/18,493,031.43 = 5,505,525.25/x
  3. Step 3: Cross multiply
    12,328,604.39x = 18,493,031.43 × 5,505,525.25
  4. Step 4: Simplify right side
    12,328,604.39x = 101,813,851,440,676.02
  5. Step 5: Solve for x
    x = 101,813,851,440,676.02/12,328,604.39
  6. Step 6: Final answer
    x = 8,258,343.62

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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.