Home / 18,821,866.69-25,959,532.77-13,614,409.20

Finding the Fourth Proportional to 18,821,866.69, 25,959,532.77 and 13,614,409.20

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Solution

The fourth proportional to 18,821,866.69, 25,959,532.77 and 13,614,409.20 is: 18,777,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,866.69 : 25,959,532.77 = 13,614,409.20 : x
  2. Step 2: Convert to fraction form
    18,821,866.69/25,959,532.77 = 13,614,409.20/x
  3. Step 3: Cross multiply
    18,821,866.69x = 25,959,532.77 × 13,614,409.20
  4. Step 4: Simplify right side
    18,821,866.69x = 353,423,701,771,589.44
  5. Step 5: Solve for x
    x = 353,423,701,771,589.44/18,821,866.69
  6. Step 6: Final answer
    x = 18,777,292.79

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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.