Home / 12,115,772.10-18,173,658.15-11,052,890.10

Finding the Fourth Proportional to 12,115,772.10, 18,173,658.15 and 11,052,890.10

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Solution

The fourth proportional to 12,115,772.10, 18,173,658.15 and 11,052,890.10 is: 16,579,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,772.10 : 18,173,658.15 = 11,052,890.10 : x
  2. Step 2: Convert to fraction form
    12,115,772.10/18,173,658.15 = 11,052,890.10/x
  3. Step 3: Cross multiply
    12,115,772.10x = 18,173,658.15 × 11,052,890.10
  4. Step 4: Simplify right side
    12,115,772.10x = 200,871,446,246,919.28
  5. Step 5: Solve for x
    x = 200,871,446,246,919.28/12,115,772.10
  6. Step 6: Final answer
    x = 16,579,335.15

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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.