Finding the Fourth Proportional to 21,235,825.36, 29,318,902.98 and 14,541,360.49
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Solution
The fourth proportional to 21,235,825.36, 29,318,902.98 and 14,541,360.49 is: 20,076,297.03
Step by Step Solution
- Step 1: Write the proportion equation
21,235,825.36 : 29,318,902.98 = 14,541,360.49 : x - Step 2: Convert to fraction form
21,235,825.36/29,318,902.98 = 14,541,360.49/x - Step 3: Cross multiply
21,235,825.36x = 29,318,902.98 × 14,541,360.49 - Step 4: Simplify right side
21,235,825.36x = 426,336,737,488,582.06 - Step 5: Solve for x
x = 426,336,737,488,582.06/21,235,825.36 - Step 6: Final answer
x = 20,076,297.03
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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.