Home / 7,242,497.40-10,847,999.70-4,397,647.80

Finding the Fourth Proportional to 7,242,497.40, 10,847,999.70 and 4,397,647.80

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Solution

The fourth proportional to 7,242,497.40, 10,847,999.70 and 4,397,647.80 is: 6,586,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,497.40 : 10,847,999.70 = 4,397,647.80 : x
  2. Step 2: Convert to fraction form
    7,242,497.40/10,847,999.70 = 4,397,647.80/x
  3. Step 3: Cross multiply
    7,242,497.40x = 10,847,999.70 × 4,397,647.80
  4. Step 4: Simplify right side
    7,242,497.40x = 47,705,682,015,105.66
  5. Step 5: Solve for x
    x = 47,705,682,015,105.66/7,242,497.40
  6. Step 6: Final answer
    x = 6,586,910.48

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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.