Home / 14,619,581.33-20,168,689.26-8,815,138.44

Finding the Fourth Proportional to 14,619,581.33, 20,168,689.26 and 8,815,138.44

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Solution

The fourth proportional to 14,619,581.33, 20,168,689.26 and 8,815,138.44 is: 12,161,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619,581.33 : 20,168,689.26 = 8,815,138.44 : x
  2. Step 2: Convert to fraction form
    14,619,581.33/20,168,689.26 = 8,815,138.44/x
  3. Step 3: Cross multiply
    14,619,581.33x = 20,168,689.26 × 8,815,138.44
  4. Step 4: Simplify right side
    14,619,581.33x = 177,789,787,937,665.34
  5. Step 5: Solve for x
    x = 177,789,787,937,665.34/14,619,581.33
  6. Step 6: Final answer
    x = 12,161,072.47

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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.