Finding the Fourth Proportional to 21,477,096.44, 29,638,397.94 and 11,819,304.44
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Solution
The fourth proportional to 21,477,096.44, 29,638,397.94 and 11,819,304.44 is: 16,310,642.80
Step by Step Solution
- Step 1: Write the proportion equation
21,477,096.44 : 29,638,397.94 = 11,819,304.44 : x - Step 2: Convert to fraction form
21,477,096.44/29,638,397.94 = 11,819,304.44/x - Step 3: Cross multiply
21,477,096.44x = 29,638,397.94 × 11,819,304.44 - Step 4: Simplify right side
21,477,096.44x = 350,305,248,366,728.88 - Step 5: Solve for x
x = 350,305,248,366,728.88/21,477,096.44 - Step 6: Final answer
x = 16,310,642.80
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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.