Home / 12,470,668.49-18,705,781.17-3,950,783.52

Finding the Fourth Proportional to 12,470,668.49, 18,705,781.17 and 3,950,783.52

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Solution

The fourth proportional to 12,470,668.49, 18,705,781.17 and 3,950,783.52 is: 5,926,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,668.49 : 18,705,781.17 = 3,950,783.52 : x
  2. Step 2: Convert to fraction form
    12,470,668.49/18,705,781.17 = 3,950,783.52/x
  3. Step 3: Cross multiply
    12,470,668.49x = 18,705,781.17 × 3,950,783.52
  4. Step 4: Simplify right side
    12,470,668.49x = 73,902,491,975,162.33
  5. Step 5: Solve for x
    x = 73,902,491,975,162.33/12,470,668.49
  6. Step 6: Final answer
    x = 5,926,105.09

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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.