Home / 5,389,839.40-8,084,759.10-5,200,882.60

Finding the Fourth Proportional to 5,389,839.40, 8,084,759.10 and 5,200,882.60

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Solution

The fourth proportional to 5,389,839.40, 8,084,759.10 and 5,200,882.60 is: 7,801,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,839.40 : 8,084,759.10 = 5,200,882.60 : x
  2. Step 2: Convert to fraction form
    5,389,839.40/8,084,759.10 = 5,200,882.60/x
  3. Step 3: Cross multiply
    5,389,839.40x = 8,084,759.10 × 5,200,882.60
  4. Step 4: Simplify right side
    5,389,839.40x = 42,047,882,928,381.66
  5. Step 5: Solve for x
    x = 42,047,882,928,381.66/5,389,839.40
  6. Step 6: Final answer
    x = 7,801,323.90

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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.