Home / 12,568,330.32-18,826,338.60-7,996,733.52

Finding the Fourth Proportional to 12,568,330.32, 18,826,338.60 and 7,996,733.52

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Solution

The fourth proportional to 12,568,330.32, 18,826,338.60 and 7,996,733.52 is: 11,978,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568,330.32 : 18,826,338.60 = 7,996,733.52 : x
  2. Step 2: Convert to fraction form
    12,568,330.32/18,826,338.60 = 7,996,733.52/x
  3. Step 3: Cross multiply
    12,568,330.32x = 18,826,338.60 × 7,996,733.52
  4. Step 4: Simplify right side
    12,568,330.32x = 150,549,212,941,489.88
  5. Step 5: Solve for x
    x = 150,549,212,941,489.88/12,568,330.32
  6. Step 6: Final answer
    x = 11,978,457.69

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1.5x scale

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.