Finding the Fourth Proportional to 21,649,204.41, 29,868,872.63 and 14,761,729.05
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Solution
The fourth proportional to 21,649,204.41, 29,868,872.63 and 14,761,729.05 is: 20,366,392.98
Step by Step Solution
- Step 1: Write the proportion equation
21,649,204.41 : 29,868,872.63 = 14,761,729.05 : x - Step 2: Convert to fraction form
21,649,204.41/29,868,872.63 = 14,761,729.05/x - Step 3: Cross multiply
21,649,204.41x = 29,868,872.63 × 14,761,729.05 - Step 4: Simplify right side
21,649,204.41x = 440,916,204,719,212.25 - Step 5: Solve for x
x = 440,916,204,719,212.25/21,649,204.41 - Step 6: Final answer
x = 20,366,392.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.