Home / 11,871,000.20-17,807,018.70-3,892,824.20

Finding the Fourth Proportional to 11,871,000.20, 17,807,018.70 and 3,892,824.20

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Solution

The fourth proportional to 11,871,000.20, 17,807,018.70 and 3,892,824.20 is: 5,839,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,000.20 : 17,807,018.70 = 3,892,824.20 : x
  2. Step 2: Convert to fraction form
    11,871,000.20/17,807,018.70 = 3,892,824.20/x
  3. Step 3: Cross multiply
    11,871,000.20x = 17,807,018.70 × 3,892,824.20
  4. Step 4: Simplify right side
    11,871,000.20x = 69,319,593,325,212.54
  5. Step 5: Solve for x
    x = 69,319,593,325,212.54/11,871,000.20
  6. Step 6: Final answer
    x = 5,839,406.30

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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.