Home / 15,541,478.91-21,453,150.24-11,685,202.02

Finding the Fourth Proportional to 15,541,478.91, 21,453,150.24 and 11,685,202.02

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Solution

The fourth proportional to 15,541,478.91, 21,453,150.24 and 11,685,202.02 is: 16,130,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541,478.91 : 21,453,150.24 = 11,685,202.02 : x
  2. Step 2: Convert to fraction form
    15,541,478.91/21,453,150.24 = 11,685,202.02/x
  3. Step 3: Cross multiply
    15,541,478.91x = 21,453,150.24 × 11,685,202.02
  4. Step 4: Simplify right side
    15,541,478.91x = 250,684,394,519,811.47
  5. Step 5: Solve for x
    x = 250,684,394,519,811.47/15,541,478.91
  6. Step 6: Final answer
    x = 16,130,021.86

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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.