Finding the Fourth Proportional to 21,548,436.50, 29,737,470.67 and 11,759,511.26
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Solution
The fourth proportional to 21,548,436.50, 29,737,470.67 and 11,759,511.26 is: 16,228,468.42
Step by Step Solution
- Step 1: Write the proportion equation
21,548,436.50 : 29,737,470.67 = 11,759,511.26 : x - Step 2: Convert to fraction form
21,548,436.50/29,737,470.67 = 11,759,511.26/x - Step 3: Cross multiply
21,548,436.50x = 29,737,470.67 × 11,759,511.26 - Step 4: Simplify right side
21,548,436.50x = 349,698,121,232,729.62 - Step 5: Solve for x
x = 349,698,121,232,729.62/21,548,436.50 - Step 6: Final answer
x = 16,228,468.42
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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.