Home / 12,104,724.20-18,167,000.70-12,010,245.80

Finding the Fourth Proportional to 12,104,724.20, 18,167,000.70 and 12,010,245.80

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Solution

The fourth proportional to 12,104,724.20, 18,167,000.70 and 12,010,245.80 is: 18,025,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,724.20 : 18,167,000.70 = 12,010,245.80 : x
  2. Step 2: Convert to fraction form
    12,104,724.20/18,167,000.70 = 12,010,245.80/x
  3. Step 3: Cross multiply
    12,104,724.20x = 18,167,000.70 × 12,010,245.80
  4. Step 4: Simplify right side
    12,104,724.20x = 218,190,143,855,772.06
  5. Step 5: Solve for x
    x = 218,190,143,855,772.06/12,104,724.20
  6. Step 6: Final answer
    x = 18,025,205.72

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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.