Finding the Fourth Proportional to 17,118,481.44, 23,609,729.20 and 15,049,072.48
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Solution
The fourth proportional to 17,118,481.44, 23,609,729.20 and 15,049,072.48 is: 20,755,610.08
Step by Step Solution
- Step 1: Write the proportion equation
17,118,481.44 : 23,609,729.20 = 15,049,072.48 : x - Step 2: Convert to fraction form
17,118,481.44/23,609,729.20 = 15,049,072.48/x - Step 3: Cross multiply
17,118,481.44x = 23,609,729.20 × 15,049,072.48 - Step 4: Simplify right side
17,118,481.44x = 355,304,525,963,972.44 - Step 5: Solve for x
x = 355,304,525,963,972.44/17,118,481.44 - Step 6: Final answer
x = 20,755,610.08
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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.