Home / 8,211,366.80-12,324,048.60-3,669,405.20

Finding the Fourth Proportional to 8,211,366.80, 12,324,048.60 and 3,669,405.20

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Solution

The fourth proportional to 8,211,366.80, 12,324,048.60 and 3,669,405.20 is: 5,507,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,366.80 : 12,324,048.60 = 3,669,405.20 : x
  2. Step 2: Convert to fraction form
    8,211,366.80/12,324,048.60 = 3,669,405.20/x
  3. Step 3: Cross multiply
    8,211,366.80x = 12,324,048.60 × 3,669,405.20
  4. Step 4: Simplify right side
    8,211,366.80x = 45,221,928,017,892.72
  5. Step 5: Solve for x
    x = 45,221,928,017,892.72/8,211,366.80
  6. Step 6: Final answer
    x = 5,507,235.17

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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.