Home / 12,672,958.74-18,973,211.67-11,868,514.26

Finding the Fourth Proportional to 12,672,958.74, 18,973,211.67 and 11,868,514.26

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Solution

The fourth proportional to 12,672,958.74, 18,973,211.67 and 11,868,514.26 is: 17,768,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,958.74 : 18,973,211.67 = 11,868,514.26 : x
  2. Step 2: Convert to fraction form
    12,672,958.74/18,973,211.67 = 11,868,514.26/x
  3. Step 3: Cross multiply
    12,672,958.74x = 18,973,211.67 × 11,868,514.26
  4. Step 4: Simplify right side
    12,672,958.74x = 225,183,833,263,393.44
  5. Step 5: Solve for x
    x = 225,183,833,263,393.44/12,672,958.74
  6. Step 6: Final answer
    x = 17,768,844.50

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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.