Home / 12,481,409.80-18,722,114.70-4,908,622.60

Finding the Fourth Proportional to 12,481,409.80, 18,722,114.70 and 4,908,622.60

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Solution

The fourth proportional to 12,481,409.80, 18,722,114.70 and 4,908,622.60 is: 7,362,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,409.80 : 18,722,114.70 = 4,908,622.60 : x
  2. Step 2: Convert to fraction form
    12,481,409.80/18,722,114.70 = 4,908,622.60/x
  3. Step 3: Cross multiply
    12,481,409.80x = 18,722,114.70 × 4,908,622.60
  4. Step 4: Simplify right side
    12,481,409.80x = 91,899,795,336,212.20
  5. Step 5: Solve for x
    x = 91,899,795,336,212.20/12,481,409.80
  6. Step 6: Final answer
    x = 7,362,933.90

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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.