Home / 8,143,939.09-12,213,195.93-3,284,990.67

Finding the Fourth Proportional to 8,143,939.09, 12,213,195.93 and 3,284,990.67

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Solution

The fourth proportional to 8,143,939.09, 12,213,195.93 and 3,284,990.67 is: 4,926,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,939.09 : 12,213,195.93 = 3,284,990.67 : x
  2. Step 2: Convert to fraction form
    8,143,939.09/12,213,195.93 = 3,284,990.67/x
  3. Step 3: Cross multiply
    8,143,939.09x = 12,213,195.93 × 3,284,990.67
  4. Step 4: Simplify right side
    8,143,939.09x = 40,120,234,726,731.46
  5. Step 5: Solve for x
    x = 40,120,234,726,731.46/8,143,939.09
  6. Step 6: Final answer
    x = 4,926,391.80

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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.