Finding the Fourth Proportional to 21,441,753.36, 29,589,907.88 and 11,652,391.44
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Solution
The fourth proportional to 21,441,753.36, 29,589,907.88 and 11,652,391.44 is: 16,080,456.83
Step by Step Solution
- Step 1: Write the proportion equation
21,441,753.36 : 29,589,907.88 = 11,652,391.44 : x - Step 2: Convert to fraction form
21,441,753.36/29,589,907.88 = 11,652,391.44/x - Step 3: Cross multiply
21,441,753.36x = 29,589,907.88 × 11,652,391.44 - Step 4: Simplify right side
21,441,753.36x = 344,793,189,291,300.50 - Step 5: Solve for x
x = 344,793,189,291,300.50/21,441,753.36 - Step 6: Final answer
x = 16,080,456.83
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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.