Home / 5,390,350.20-8,085,525.30-5,177,773.80

Finding the Fourth Proportional to 5,390,350.20, 8,085,525.30 and 5,177,773.80

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Solution

The fourth proportional to 5,390,350.20, 8,085,525.30 and 5,177,773.80 is: 7,766,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,350.20 : 8,085,525.30 = 5,177,773.80 : x
  2. Step 2: Convert to fraction form
    5,390,350.20/8,085,525.30 = 5,177,773.80/x
  3. Step 3: Cross multiply
    5,390,350.20x = 8,085,525.30 × 5,177,773.80
  4. Step 4: Simplify right side
    5,390,350.20x = 41,865,021,057,577.14
  5. Step 5: Solve for x
    x = 41,865,021,057,577.14/5,390,350.20
  6. Step 6: Final answer
    x = 7,766,660.70

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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.