Home / 20,483,385.48-30,720,907.64-7,525,082.43

Finding the Fourth Proportional to 20,483,385.48, 30,720,907.64 and 7,525,082.43

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Solution

The fourth proportional to 20,483,385.48, 30,720,907.64 and 7,525,082.43 is: 11,286,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,385.48 : 30,720,907.64 = 7,525,082.43 : x
  2. Step 2: Convert to fraction form
    20,483,385.48/30,720,907.64 = 7,525,082.43/x
  3. Step 3: Cross multiply
    20,483,385.48x = 30,720,907.64 × 7,525,082.43
  4. Step 4: Simplify right side
    20,483,385.48x = 231,177,362,334,229.44
  5. Step 5: Solve for x
    x = 231,177,362,334,229.44/20,483,385.48
  6. Step 6: Final answer
    x = 11,286,091.48

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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.