Finding the Fourth Proportional to 11,057,383.36, 15,265,211.16 and 7,638,023.44
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Solution
The fourth proportional to 11,057,383.36, 15,265,211.16 and 7,638,023.44 is: 10,544,632.20
Step by Step Solution
- Step 1: Write the proportion equation
11,057,383.36 : 15,265,211.16 = 7,638,023.44 : x - Step 2: Convert to fraction form
11,057,383.36/15,265,211.16 = 7,638,023.44/x - Step 3: Cross multiply
11,057,383.36x = 15,265,211.16 × 7,638,023.44 - Step 4: Simplify right side
11,057,383.36x = 116,596,040,656,629.59 - Step 5: Solve for x
x = 116,596,040,656,629.59/11,057,383.36 - Step 6: Final answer
x = 10,544,632.20
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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.