Finding the Fourth Proportional to 11,668,318.26, 16,101,857.18 and 6,441,214.20
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Solution
The fourth proportional to 11,668,318.26, 16,101,857.18 and 6,441,214.20 is: 8,888,642.62
Step by Step Solution
- Step 1: Write the proportion equation
11,668,318.26 : 16,101,857.18 = 6,441,214.20 : x - Step 2: Convert to fraction form
11,668,318.26/16,101,857.18 = 6,441,214.20/x - Step 3: Cross multiply
11,668,318.26x = 16,101,857.18 × 6,441,214.20 - Step 4: Simplify right side
11,668,318.26x = 103,715,511,033,677.20 - Step 5: Solve for x
x = 103,715,511,033,677.20/11,668,318.26 - Step 6: Final answer
x = 8,888,642.62
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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.