Home / 8,165,722.20-12,248,583.30-3,914,194.20

Finding the Fourth Proportional to 8,165,722.20, 12,248,583.30 and 3,914,194.20

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Solution

The fourth proportional to 8,165,722.20, 12,248,583.30 and 3,914,194.20 is: 5,871,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165,722.20 : 12,248,583.30 = 3,914,194.20 : x
  2. Step 2: Convert to fraction form
    8,165,722.20/12,248,583.30 = 3,914,194.20/x
  3. Step 3: Cross multiply
    8,165,722.20x = 12,248,583.30 × 3,914,194.20
  4. Step 4: Simplify right side
    8,165,722.20x = 47,943,333,711,076.87
  5. Step 5: Solve for x
    x = 47,943,333,711,076.87/8,165,722.20
  6. Step 6: Final answer
    x = 5,871,291.30

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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.