Finding the Fourth Proportional to 20,901,907.17, 31,352,863.39 and 6,526,206.18
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Solution
The fourth proportional to 20,901,907.17, 31,352,863.39 and 6,526,206.18 is: 9,789,310.09
Step by Step Solution
- Step 1: Write the proportion equation
20,901,907.17 : 31,352,863.39 = 6,526,206.18 : x - Step 2: Convert to fraction form
20,901,907.17/31,352,863.39 = 6,526,206.18/x - Step 3: Cross multiply
20,901,907.17x = 31,352,863.39 × 6,526,206.18 - Step 4: Simplify right side
20,901,907.17x = 204,615,250,800,198.22 - Step 5: Solve for x
x = 204,615,250,800,198.22/20,901,907.17 - Step 6: Final answer
x = 9,789,310.09
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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.