Home / 12,319,919.46-16,996,351.68-7,091,676.66

Finding the Fourth Proportional to 12,319,919.46, 16,996,351.68 and 7,091,676.66

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Solution

The fourth proportional to 12,319,919.46, 16,996,351.68 and 7,091,676.66 is: 9,783,556.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319,919.46 : 16,996,351.68 = 7,091,676.66 : x
  2. Step 2: Convert to fraction form
    12,319,919.46/16,996,351.68 = 7,091,676.66/x
  3. Step 3: Cross multiply
    12,319,919.46x = 16,996,351.68 × 7,091,676.66
  4. Step 4: Simplify right side
    12,319,919.46x = 120,532,630,514,207.80
  5. Step 5: Solve for x
    x = 120,532,630,514,207.80/12,319,919.46
  6. Step 6: Final answer
    x = 9,783,556.69

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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.