Home / 14,716,938.69-20,309,375.49-8,192,109.54

Finding the Fourth Proportional to 14,716,938.69, 20,309,375.49 and 8,192,109.54

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Solution

The fourth proportional to 14,716,938.69, 20,309,375.49 and 8,192,109.54 is: 11,305,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716,938.69 : 20,309,375.49 = 8,192,109.54 : x
  2. Step 2: Convert to fraction form
    14,716,938.69/20,309,375.49 = 8,192,109.54/x
  3. Step 3: Cross multiply
    14,716,938.69x = 20,309,375.49 × 8,192,109.54
  4. Step 4: Simplify right side
    14,716,938.69x = 166,376,628,703,071.16
  5. Step 5: Solve for x
    x = 166,376,628,703,071.16/14,716,938.69
  6. Step 6: Final answer
    x = 11,305,111.22

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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.