Home / 8,479,043.58-12,661,132.44-6,730,293.86

Finding the Fourth Proportional to 8,479,043.58, 12,661,132.44 and 6,730,293.86

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Solution

The fourth proportional to 8,479,043.58, 12,661,132.44 and 6,730,293.86 is: 10,049,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479,043.58 : 12,661,132.44 = 6,730,293.86 : x
  2. Step 2: Convert to fraction form
    8,479,043.58/12,661,132.44 = 6,730,293.86/x
  3. Step 3: Cross multiply
    8,479,043.58x = 12,661,132.44 × 6,730,293.86
  4. Step 4: Simplify right side
    8,479,043.58x = 85,213,141,921,578.81
  5. Step 5: Solve for x
    x = 85,213,141,921,578.81/8,479,043.58
  6. Step 6: Final answer
    x = 10,049,853.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.