Home / 12,619,427.40-18,932,325.90-3,521,517.36

Finding the Fourth Proportional to 12,619,427.40, 18,932,325.90 and 3,521,517.36

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Solution

The fourth proportional to 12,619,427.40, 18,932,325.90 and 3,521,517.36 is: 5,283,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,427.40 : 18,932,325.90 = 3,521,517.36 : x
  2. Step 2: Convert to fraction form
    12,619,427.40/18,932,325.90 = 3,521,517.36/x
  3. Step 3: Cross multiply
    12,619,427.40x = 18,932,325.90 × 3,521,517.36
  4. Step 4: Simplify right side
    12,619,427.40x = 66,670,514,322,027.62
  5. Step 5: Solve for x
    x = 66,670,514,322,027.62/12,619,427.40
  6. Step 6: Final answer
    x = 5,283,164.78

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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.