Home / 14,126,918.40-21,190,377.60-13,170,324.60

Finding the Fourth Proportional to 14,126,918.40, 21,190,377.60 and 13,170,324.60

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Solution

The fourth proportional to 14,126,918.40, 21,190,377.60 and 13,170,324.60 is: 19,755,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126,918.40 : 21,190,377.60 = 13,170,324.60 : x
  2. Step 2: Convert to fraction form
    14,126,918.40/21,190,377.60 = 13,170,324.60/x
  3. Step 3: Cross multiply
    14,126,918.40x = 21,190,377.60 × 13,170,324.60
  4. Step 4: Simplify right side
    14,126,918.40x = 279,084,151,388,568.97
  5. Step 5: Solve for x
    x = 279,084,151,388,568.97/14,126,918.40
  6. Step 6: Final answer
    x = 19,755,486.90

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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.