Home / 11,871,519.28-17,808,705-4,193,587.44

Finding the Fourth Proportional to 11,871,519.28, 17,808,705 and 4,193,587.44

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Solution

The fourth proportional to 11,871,519.28, 17,808,705 and 4,193,587.44 is: 6,290,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,519.28 : 17,808,705 = 4,193,587.44 : x
  2. Step 2: Convert to fraction form
    11,871,519.28/17,808,705 = 4,193,587.44/x
  3. Step 3: Cross multiply
    11,871,519.28x = 17,808,705 × 4,193,587.44
  4. Step 4: Simplify right side
    11,871,519.28x = 74,682,361,610,665.20
  5. Step 5: Solve for x
    x = 74,682,361,610,665.20/11,871,519.28
  6. Step 6: Final answer
    x = 6,290,884.92

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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.