Home / 28,544,384.09-39,391,544.42-15,491,755.73

Finding the Fourth Proportional to 28,544,384.09, 39,391,544.42 and 15,491,755.73

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Solution

The fourth proportional to 28,544,384.09, 39,391,544.42 and 15,491,755.73 is: 21,378,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544,384.09 : 39,391,544.42 = 15,491,755.73 : x
  2. Step 2: Convert to fraction form
    28,544,384.09/39,391,544.42 = 15,491,755.73/x
  3. Step 3: Cross multiply
    28,544,384.09x = 39,391,544.42 × 15,491,755.73
  4. Step 4: Simplify right side
    28,544,384.09x = 610,244,183,707,668
  5. Step 5: Solve for x
    x = 610,244,183,707,668/28,544,384.09
  6. Step 6: Final answer
    x = 21,378,782.67

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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.