Home / 7,496,891.20-11,244,170.40-2,105,012.80

Finding the Fourth Proportional to 7,496,891.20, 11,244,170.40 and 2,105,012.80

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Solution

The fourth proportional to 7,496,891.20, 11,244,170.40 and 2,105,012.80 is: 3,157,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496,891.20 : 11,244,170.40 = 2,105,012.80 : x
  2. Step 2: Convert to fraction form
    7,496,891.20/11,244,170.40 = 2,105,012.80/x
  3. Step 3: Cross multiply
    7,496,891.20x = 11,244,170.40 × 2,105,012.80
  4. Step 4: Simplify right side
    7,496,891.20x = 23,669,122,617,381.12
  5. Step 5: Solve for x
    x = 23,669,122,617,381.12/7,496,891.20
  6. Step 6: Final answer
    x = 3,157,191.69

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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.