Finding the Fourth Proportional to 29,084,297.88, 40,135,123.34 and 15,853,183.84
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Solution
The fourth proportional to 29,084,297.88, 40,135,123.34 and 15,853,183.84 is: 21,876,735.39
Step by Step Solution
- Step 1: Write the proportion equation
29,084,297.88 : 40,135,123.34 = 15,853,183.84 : x - Step 2: Convert to fraction form
29,084,297.88/40,135,123.34 = 15,853,183.84/x - Step 3: Cross multiply
29,084,297.88x = 40,135,123.34 × 15,853,183.84 - Step 4: Simplify right side
29,084,297.88x = 636,269,488,759,375.38 - Step 5: Solve for x
x = 636,269,488,759,375.38/29,084,297.88 - Step 6: Final answer
x = 21,876,735.39
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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.