Home / 12,619,416.36-18,932,309.39-3,521,506.35

Finding the Fourth Proportional to 12,619,416.36, 18,932,309.39 and 3,521,506.35

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Solution

The fourth proportional to 12,619,416.36, 18,932,309.39 and 3,521,506.35 is: 5,283,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,416.36 : 18,932,309.39 = 3,521,506.35 : x
  2. Step 2: Convert to fraction form
    12,619,416.36/18,932,309.39 = 3,521,506.35/x
  3. Step 3: Cross multiply
    12,619,416.36x = 18,932,309.39 × 3,521,506.35
  4. Step 4: Simplify right side
    12,619,416.36x = 66,670,247,737,049.63
  5. Step 5: Solve for x
    x = 66,670,247,737,049.63/12,619,416.36
  6. Step 6: Final answer
    x = 5,283,148.27

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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.