Home / 15,259,250.69-21,057,790.91-8,289,955.56

Finding the Fourth Proportional to 15,259,250.69, 21,057,790.91 and 8,289,955.56

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Solution

The fourth proportional to 15,259,250.69, 21,057,790.91 and 8,289,955.56 is: 11,440,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259,250.69 : 21,057,790.91 = 8,289,955.56 : x
  2. Step 2: Convert to fraction form
    15,259,250.69/21,057,790.91 = 8,289,955.56/x
  3. Step 3: Cross multiply
    15,259,250.69x = 21,057,790.91 × 8,289,955.56
  4. Step 4: Simplify right side
    15,259,250.69x = 174,568,150,777,120.09
  5. Step 5: Solve for x
    x = 174,568,150,777,120.09/15,259,250.69
  6. Step 6: Final answer
    x = 11,440,152.23

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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.