Home / 13,718,999.97-18,915,669.18-11,855,085.48

Finding the Fourth Proportional to 13,718,999.97, 18,915,669.18 and 11,855,085.48

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Solution

The fourth proportional to 13,718,999.97, 18,915,669.18 and 11,855,085.48 is: 16,345,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718,999.97 : 18,915,669.18 = 11,855,085.48 : x
  2. Step 2: Convert to fraction form
    13,718,999.97/18,915,669.18 = 11,855,085.48/x
  3. Step 3: Cross multiply
    13,718,999.97x = 18,915,669.18 × 11,855,085.48
  4. Step 4: Simplify right side
    13,718,999.97x = 224,246,875,040,301.50
  5. Step 5: Solve for x
    x = 224,246,875,040,301.50/13,718,999.97
  6. Step 6: Final answer
    x = 16,345,715.83

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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.