Home / 12,286,729.26-16,959,059.24-7,131,751.56

Finding the Fourth Proportional to 12,286,729.26, 16,959,059.24 and 7,131,751.56

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Solution

The fourth proportional to 12,286,729.26, 16,959,059.24 and 7,131,751.56 is: 9,843,774.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,729.26 : 16,959,059.24 = 7,131,751.56 : x
  2. Step 2: Convert to fraction form
    12,286,729.26/16,959,059.24 = 7,131,751.56/x
  3. Step 3: Cross multiply
    12,286,729.26x = 16,959,059.24 × 7,131,751.56
  4. Step 4: Simplify right side
    12,286,729.26x = 120,947,797,155,343.64
  5. Step 5: Solve for x
    x = 120,947,797,155,343.64/12,286,729.26
  6. Step 6: Final answer
    x = 9,843,774.91

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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.