Home / 15,400,795.68-21,253,266-8,525,392.56

Finding the Fourth Proportional to 15,400,795.68, 21,253,266 and 8,525,392.56

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Solution

The fourth proportional to 15,400,795.68, 21,253,266 and 8,525,392.56 is: 11,765,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,795.68 : 21,253,266 = 8,525,392.56 : x
  2. Step 2: Convert to fraction form
    15,400,795.68/21,253,266 = 8,525,392.56/x
  3. Step 3: Cross multiply
    15,400,795.68x = 21,253,266 × 8,525,392.56
  4. Step 4: Simplify right side
    15,400,795.68x = 181,192,435,832,100.97
  5. Step 5: Solve for x
    x = 181,192,435,832,100.97/15,400,795.68
  6. Step 6: Final answer
    x = 11,765,134.71

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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.