Home / 11,215,861.47-16,823,786.13-2,696,195.21

Finding the Fourth Proportional to 11,215,861.47, 16,823,786.13 and 2,696,195.21

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Solution

The fourth proportional to 11,215,861.47, 16,823,786.13 and 2,696,195.21 is: 4,044,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215,861.47 : 16,823,786.13 = 2,696,195.21 : x
  2. Step 2: Convert to fraction form
    11,215,861.47/16,823,786.13 = 2,696,195.21/x
  3. Step 3: Cross multiply
    11,215,861.47x = 16,823,786.13 × 2,696,195.21
  4. Step 4: Simplify right side
    11,215,861.47x = 45,360,211,493,651.51
  5. Step 5: Solve for x
    x = 45,360,211,493,651.51/11,215,861.47
  6. Step 6: Final answer
    x = 4,044,291.35

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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.