Finding the Fourth Proportional to 11,664,879.80, 17,497,319.70 and 11,192,487.80
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Solution
The fourth proportional to 11,664,879.80, 17,497,319.70 and 11,192,487.80 is: 16,788,731.70
Step by Step Solution
- Step 1: Write the proportion equation
11,664,879.80 : 17,497,319.70 = 11,192,487.80 : x - Step 2: Convert to fraction form
11,664,879.80/17,497,319.70 = 11,192,487.80/x - Step 3: Cross multiply
11,664,879.80x = 17,497,319.70 × 11,192,487.80 - Step 4: Simplify right side
11,664,879.80x = 195,838,537,274,949.66 - Step 5: Solve for x
x = 195,838,537,274,949.66/11,664,879.80 - Step 6: Final answer
x = 16,788,731.70
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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.