Home / 16,280,938.71-22,467,739.62-8,939,247.38

Finding the Fourth Proportional to 16,280,938.71, 22,467,739.62 and 8,939,247.38

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Solution

The fourth proportional to 16,280,938.71, 22,467,739.62 and 8,939,247.38 is: 12,336,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280,938.71 : 22,467,739.62 = 8,939,247.38 : x
  2. Step 2: Convert to fraction form
    16,280,938.71/22,467,739.62 = 8,939,247.38/x
  3. Step 3: Cross multiply
    16,280,938.71x = 22,467,739.62 × 8,939,247.38
  4. Step 4: Simplify right side
    16,280,938.71x = 200,844,682,420,268.50
  5. Step 5: Solve for x
    x = 200,844,682,420,268.50/16,280,938.71
  6. Step 6: Final answer
    x = 12,336,185.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.