Finding the Fourth Proportional to 11,988,207.09, 16,545,344.72 and 6,762,287.97
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Solution
The fourth proportional to 11,988,207.09, 16,545,344.72 and 6,762,287.97 is: 9,332,870.60
Step by Step Solution
- Step 1: Write the proportion equation
11,988,207.09 : 16,545,344.72 = 6,762,287.97 : x - Step 2: Convert to fraction form
11,988,207.09/16,545,344.72 = 6,762,287.97/x - Step 3: Cross multiply
11,988,207.09x = 16,545,344.72 × 6,762,287.97 - Step 4: Simplify right side
11,988,207.09x = 111,884,385,525,747.58 - Step 5: Solve for x
x = 111,884,385,525,747.58/11,988,207.09 - Step 6: Final answer
x = 9,332,870.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.