Home / 12,019,144.34-16,586,433.78-6,512,514.86

Finding the Fourth Proportional to 12,019,144.34, 16,586,433.78 and 6,512,514.86

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Solution

The fourth proportional to 12,019,144.34, 16,586,433.78 and 6,512,514.86 is: 8,987,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,144.34 : 16,586,433.78 = 6,512,514.86 : x
  2. Step 2: Convert to fraction form
    12,019,144.34/16,586,433.78 = 6,512,514.86/x
  3. Step 3: Cross multiply
    12,019,144.34x = 16,586,433.78 × 6,512,514.86
  4. Step 4: Simplify right side
    12,019,144.34x = 108,019,396,466,655.97
  5. Step 5: Solve for x
    x = 108,019,396,466,655.97/12,019,144.34
  6. Step 6: Final answer
    x = 8,987,278.41

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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.