Finding the Fourth Proportional to 21,385,151.08, 29,511,476.58 and 11,595,577.48
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Solution
The fourth proportional to 21,385,151.08, 29,511,476.58 and 11,595,577.48 is: 16,001,879.62
Step by Step Solution
- Step 1: Write the proportion equation
21,385,151.08 : 29,511,476.58 = 11,595,577.48 : x - Step 2: Convert to fraction form
21,385,151.08/29,511,476.58 = 11,595,577.48/x - Step 3: Cross multiply
21,385,151.08x = 29,511,476.58 × 11,595,577.48 - Step 4: Simplify right side
21,385,151.08x = 342,202,613,232,595.44 - Step 5: Solve for x
x = 342,202,613,232,595.44/21,385,151.08 - Step 6: Final answer
x = 16,001,879.62
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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.