Home / 12,142,241.40-18,211,029.30-3,622,855.80

Finding the Fourth Proportional to 12,142,241.40, 18,211,029.30 and 3,622,855.80

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Solution

The fourth proportional to 12,142,241.40, 18,211,029.30 and 3,622,855.80 is: 5,433,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,241.40 : 18,211,029.30 = 3,622,855.80 : x
  2. Step 2: Convert to fraction form
    12,142,241.40/18,211,029.30 = 3,622,855.80/x
  3. Step 3: Cross multiply
    12,142,241.40x = 18,211,029.30 × 3,622,855.80
  4. Step 4: Simplify right side
    12,142,241.40x = 65,975,933,123,474.94
  5. Step 5: Solve for x
    x = 65,975,933,123,474.94/12,142,241.40
  6. Step 6: Final answer
    x = 5,433,587.67

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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.