Home / 8,819,835.68-12,143,218.59-7,525,481.60

Finding the Fourth Proportional to 8,819,835.68, 12,143,218.59 and 7,525,481.60

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Solution

The fourth proportional to 8,819,835.68, 12,143,218.59 and 7,525,481.60 is: 10,361,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819,835.68 : 12,143,218.59 = 7,525,481.60 : x
  2. Step 2: Convert to fraction form
    8,819,835.68/12,143,218.59 = 7,525,481.60/x
  3. Step 3: Cross multiply
    8,819,835.68x = 12,143,218.59 × 7,525,481.60
  4. Step 4: Simplify right side
    8,819,835.68x = 91,383,568,003,106.84
  5. Step 5: Solve for x
    x = 91,383,568,003,106.84/8,819,835.68
  6. Step 6: Final answer
    x = 10,361,141.79

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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.