Finding the Fourth Proportional to 11,661,914.36, 17,497,923.84 and 6,264,267.20
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Solution
The fourth proportional to 11,661,914.36, 17,497,923.84 and 6,264,267.20 is: 9,399,114.67
Step by Step Solution
- Step 1: Write the proportion equation
11,661,914.36 : 17,497,923.84 = 6,264,267.20 : x - Step 2: Convert to fraction form
11,661,914.36/17,497,923.84 = 6,264,267.20/x - Step 3: Cross multiply
11,661,914.36x = 17,497,923.84 × 6,264,267.20 - Step 4: Simplify right side
11,661,914.36x = 109,611,670,379,010.05 - Step 5: Solve for x
x = 109,611,670,379,010.05/11,661,914.36 - Step 6: Final answer
x = 9,399,114.67
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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.