Home / 25,448,824.64-38,190,033.12-13,489,958.72

Finding the Fourth Proportional to 25,448,824.64, 38,190,033.12 and 13,489,958.72

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Solution

The fourth proportional to 25,448,824.64, 38,190,033.12 and 13,489,958.72 is: 20,243,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448,824.64 : 38,190,033.12 = 13,489,958.72 : x
  2. Step 2: Convert to fraction form
    25,448,824.64/38,190,033.12 = 13,489,958.72/x
  3. Step 3: Cross multiply
    25,448,824.64x = 38,190,033.12 × 13,489,958.72
  4. Step 4: Simplify right side
    25,448,824.64x = 515,181,970,304,232.81
  5. Step 5: Solve for x
    x = 515,181,970,304,232.81/25,448,824.64
  6. Step 6: Final answer
    x = 20,243,841.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.