Home / 7,253,588.45-10,009,556.69-3,989,876.28

Finding the Fourth Proportional to 7,253,588.45, 10,009,556.69 and 3,989,876.28

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Solution

The fourth proportional to 7,253,588.45, 10,009,556.69 and 3,989,876.28 is: 5,505,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,588.45 : 10,009,556.69 = 3,989,876.28 : x
  2. Step 2: Convert to fraction form
    7,253,588.45/10,009,556.69 = 3,989,876.28/x
  3. Step 3: Cross multiply
    7,253,588.45x = 10,009,556.69 × 3,989,876.28
  4. Step 4: Simplify right side
    7,253,588.45x = 39,936,892,790,796.93
  5. Step 5: Solve for x
    x = 39,936,892,790,796.93/7,253,588.45
  6. Step 6: Final answer
    x = 5,505,811.79

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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.