Finding the Fourth Proportional to 11,868,126.32, 17,816,722.68 and 7,827,992.12
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Solution
The fourth proportional to 11,868,126.32, 17,816,722.68 and 7,827,992.12 is: 11,751,574.00
Step by Step Solution
- Step 1: Write the proportion equation
11,868,126.32 : 17,816,722.68 = 7,827,992.12 : x - Step 2: Convert to fraction form
11,868,126.32/17,816,722.68 = 7,827,992.12/x - Step 3: Cross multiply
11,868,126.32x = 17,816,722.68 × 7,827,992.12 - Step 4: Simplify right side
11,868,126.32x = 139,469,164,743,265.28 - Step 5: Solve for x
x = 139,469,164,743,265.28/11,868,126.32 - Step 6: Final answer
x = 11,751,574.00
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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.