Finding the Fourth Proportional to 14,235,553.80, 21,351,257.10 and 4,137,121.80
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Solution
The fourth proportional to 14,235,553.80, 21,351,257.10 and 4,137,121.80 is: 6,205,080.07
Step by Step Solution
- Step 1: Write the proportion equation
14,235,553.80 : 21,351,257.10 = 4,137,121.80 : x - Step 2: Convert to fraction form
14,235,553.80/21,351,257.10 = 4,137,121.80/x - Step 3: Cross multiply
14,235,553.80x = 21,351,257.10 × 4,137,121.80 - Step 4: Simplify right side
14,235,553.80x = 88,332,751,205,814.78 - Step 5: Solve for x
x = 88,332,751,205,814.78/14,235,553.80 - Step 6: Final answer
x = 6,205,080.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.