Finding the Fourth Proportional to 11,173,405.40, 16,760,108.10 and 9,968,805.80
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Solution
The fourth proportional to 11,173,405.40, 16,760,108.10 and 9,968,805.80 is: 14,953,208.70
Step by Step Solution
- Step 1: Write the proportion equation
11,173,405.40 : 16,760,108.10 = 9,968,805.80 : x - Step 2: Convert to fraction form
11,173,405.40/16,760,108.10 = 9,968,805.80/x - Step 3: Cross multiply
11,173,405.40x = 16,760,108.10 × 9,968,805.80 - Step 4: Simplify right side
11,173,405.40x = 167,078,262,835,907 - Step 5: Solve for x
x = 167,078,262,835,907/11,173,405.40 - Step 6: Final answer
x = 14,953,208.70
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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.