Finding the Fourth Proportional to 11,945,166.12, 16,485,728.70 and 6,789,302.68
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Solution
The fourth proportional to 11,945,166.12, 16,485,728.70 and 6,789,302.68 is: 9,370,033.11
Step by Step Solution
- Step 1: Write the proportion equation
11,945,166.12 : 16,485,728.70 = 6,789,302.68 : x - Step 2: Convert to fraction form
11,945,166.12/16,485,728.70 = 6,789,302.68/x - Step 3: Cross multiply
11,945,166.12x = 16,485,728.70 × 6,789,302.68 - Step 4: Simplify right side
11,945,166.12x = 111,926,602,044,662.91 - Step 5: Solve for x
x = 111,926,602,044,662.91/11,945,166.12 - Step 6: Final answer
x = 9,370,033.11
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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.