Home / 9,728,860.44-13,428,398.70-5,599,399.80

Finding the Fourth Proportional to 9,728,860.44, 13,428,398.70 and 5,599,399.80

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Solution

The fourth proportional to 9,728,860.44, 13,428,398.70 and 5,599,399.80 is: 7,728,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728,860.44 : 13,428,398.70 = 5,599,399.80 : x
  2. Step 2: Convert to fraction form
    9,728,860.44/13,428,398.70 = 5,599,399.80/x
  3. Step 3: Cross multiply
    9,728,860.44x = 13,428,398.70 × 5,599,399.80
  4. Step 4: Simplify right side
    9,728,860.44x = 75,190,972,995,100.25
  5. Step 5: Solve for x
    x = 75,190,972,995,100.25/9,728,860.44
  6. Step 6: Final answer
    x = 7,728,651.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.