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Finding the Fourth Proportional to 12,406,714.80, 18,568,081.80 and 10,895,060.40

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Solution

The fourth proportional to 12,406,714.80, 18,568,081.80 and 10,895,060.40 is: 16,305,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406,714.80 : 18,568,081.80 = 10,895,060.40 : x
  2. Step 2: Convert to fraction form
    12,406,714.80/18,568,081.80 = 10,895,060.40/x
  3. Step 3: Cross multiply
    12,406,714.80x = 18,568,081.80 × 10,895,060.40
  4. Step 4: Simplify right side
    12,406,714.80x = 202,300,372,723,140.75
  5. Step 5: Solve for x
    x = 202,300,372,723,140.75/12,406,714.80
  6. Step 6: Final answer
    x = 16,305,716.38

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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.