Home / 13,308,166.03-18,358,287.38-11,561,911.81

Finding the Fourth Proportional to 13,308,166.03, 18,358,287.38 and 11,561,911.81

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Solution

The fourth proportional to 13,308,166.03, 18,358,287.38 and 11,561,911.81 is: 15,949,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,166.03 : 18,358,287.38 = 11,561,911.81 : x
  2. Step 2: Convert to fraction form
    13,308,166.03/18,358,287.38 = 11,561,911.81/x
  3. Step 3: Cross multiply
    13,308,166.03x = 18,358,287.38 × 11,561,911.81
  4. Step 4: Simplify right side
    13,308,166.03x = 212,256,899,670,195.97
  5. Step 5: Solve for x
    x = 212,256,899,670,195.97/13,308,166.03
  6. Step 6: Final answer
    x = 15,949,372.68

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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.