Home / 12,104,716.20-18,166,988.70-12,010,237.80

Finding the Fourth Proportional to 12,104,716.20, 18,166,988.70 and 12,010,237.80

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Solution

The fourth proportional to 12,104,716.20, 18,166,988.70 and 12,010,237.80 is: 18,025,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,716.20 : 18,166,988.70 = 12,010,237.80 : x
  2. Step 2: Convert to fraction form
    12,104,716.20/18,166,988.70 = 12,010,237.80/x
  3. Step 3: Cross multiply
    12,104,716.20x = 18,166,988.70 × 12,010,237.80
  4. Step 4: Simplify right side
    12,104,716.20x = 218,189,854,396,912.88
  5. Step 5: Solve for x
    x = 218,189,854,396,912.88/12,104,716.20
  6. Step 6: Final answer
    x = 18,025,193.72

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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.