Home / 14,416,391.72-19,788,647.61-12,748,249.64

Finding the Fourth Proportional to 14,416,391.72, 19,788,647.61 and 12,748,249.64

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Solution

The fourth proportional to 14,416,391.72, 19,788,647.61 and 12,748,249.64 is: 17,498,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416,391.72 : 19,788,647.61 = 12,748,249.64 : x
  2. Step 2: Convert to fraction form
    14,416,391.72/19,788,647.61 = 12,748,249.64/x
  3. Step 3: Cross multiply
    14,416,391.72x = 19,788,647.61 × 12,748,249.64
  4. Step 4: Simplify right side
    14,416,391.72x = 252,270,619,770,269.38
  5. Step 5: Solve for x
    x = 252,270,619,770,269.38/14,416,391.72
  6. Step 6: Final answer
    x = 17,498,873.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.