Home / 21,894,975.05-30,214,532.99-12,105,167.09

Finding the Fourth Proportional to 21,894,975.05, 30,214,532.99 and 12,105,167.09

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Solution

The fourth proportional to 21,894,975.05, 30,214,532.99 and 12,105,167.09 is: 16,704,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894,975.05 : 30,214,532.99 = 12,105,167.09 : x
  2. Step 2: Convert to fraction form
    21,894,975.05/30,214,532.99 = 12,105,167.09/x
  3. Step 3: Cross multiply
    21,894,975.05x = 30,214,532.99 × 12,105,167.09
  4. Step 4: Simplify right side
    21,894,975.05x = 365,751,970,269,457.56
  5. Step 5: Solve for x
    x = 365,751,970,269,457.56/21,894,975.05
  6. Step 6: Final answer
    x = 16,704,836.13

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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.