Home / 7,479,321.80-11,218,982.70-6,203,863.40

Finding the Fourth Proportional to 7,479,321.80, 11,218,982.70 and 6,203,863.40

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Solution

The fourth proportional to 7,479,321.80, 11,218,982.70 and 6,203,863.40 is: 9,305,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,321.80 : 11,218,982.70 = 6,203,863.40 : x
  2. Step 2: Convert to fraction form
    7,479,321.80/11,218,982.70 = 6,203,863.40/x
  3. Step 3: Cross multiply
    7,479,321.80x = 11,218,982.70 × 6,203,863.40
  4. Step 4: Simplify right side
    7,479,321.80x = 69,601,036,157,763.18
  5. Step 5: Solve for x
    x = 69,601,036,157,763.18/7,479,321.80
  6. Step 6: Final answer
    x = 9,305,795.10

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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.