Finding the Fourth Proportional to 27,814,110.24, 38,383,351.56 and 15,590,967.60
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Solution
The fourth proportional to 27,814,110.24, 38,383,351.56 and 15,590,967.60 is: 21,515,467.70
Step by Step Solution
- Step 1: Write the proportion equation
27,814,110.24 : 38,383,351.56 = 15,590,967.60 : x - Step 2: Convert to fraction form
27,814,110.24/38,383,351.56 = 15,590,967.60/x - Step 3: Cross multiply
27,814,110.24x = 38,383,351.56 × 15,590,967.60 - Step 4: Simplify right side
27,814,110.24x = 598,433,590,551,369.50 - Step 5: Solve for x
x = 598,433,590,551,369.50/27,814,110.24 - Step 6: Final answer
x = 21,515,467.70
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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.