Home / 13,885,141.25-20,743,274.19-8,987,551.58

Finding the Fourth Proportional to 13,885,141.25, 20,743,274.19 and 8,987,551.58

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Solution

The fourth proportional to 13,885,141.25, 20,743,274.19 and 8,987,551.58 is: 13,426,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,141.25 : 20,743,274.19 = 8,987,551.58 : x
  2. Step 2: Convert to fraction form
    13,885,141.25/20,743,274.19 = 8,987,551.58/x
  3. Step 3: Cross multiply
    13,885,141.25x = 20,743,274.19 × 8,987,551.58
  4. Step 4: Simplify right side
    13,885,141.25x = 186,431,246,616,991.34
  5. Step 5: Solve for x
    x = 186,431,246,616,991.34/13,885,141.25
  6. Step 6: Final answer
    x = 13,426,672.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.