Finding the Fourth Proportional to 11,172,608.18, 16,758,805.18 and 6,620,380.13
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Solution
The fourth proportional to 11,172,608.18, 16,758,805.18 and 6,620,380.13 is: 9,930,506.74
Step by Step Solution
- Step 1: Write the proportion equation
11,172,608.18 : 16,758,805.18 = 6,620,380.13 : x - Step 2: Convert to fraction form
11,172,608.18/16,758,805.18 = 6,620,380.13/x - Step 3: Cross multiply
11,172,608.18x = 16,758,805.18 × 6,620,380.13 - Step 4: Simplify right side
11,172,608.18x = 110,949,660,816,213.06 - Step 5: Solve for x
x = 110,949,660,816,213.06/11,172,608.18 - Step 6: Final answer
x = 9,930,506.74
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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.