Finding the Fourth Proportional to 11,789,907, 17,684,859.40 and 3,270,243.84
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Solution
The fourth proportional to 11,789,907, 17,684,859.40 and 3,270,243.84 is: 4,905,365.45
Step by Step Solution
- Step 1: Write the proportion equation
11,789,907 : 17,684,859.40 = 3,270,243.84 : x - Step 2: Convert to fraction form
11,789,907/17,684,859.40 = 3,270,243.84/x - Step 3: Cross multiply
11,789,907x = 17,684,859.40 × 3,270,243.84 - Step 4: Simplify right side
11,789,907x = 57,833,802,514,116.09 - Step 5: Solve for x
x = 57,833,802,514,116.09/11,789,907 - Step 6: Final answer
x = 4,905,365.45
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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.