Finding the Fourth Proportional to 6,168,706.25, 8,497,604.00 and 5,247,986.54
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Solution
The fourth proportional to 6,168,706.25, 8,497,604.00 and 5,247,986.54 is: 7,229,281.08
Step by Step Solution
- Step 1: Write the proportion equation
6,168,706.25 : 8,497,604.00 = 5,247,986.54 : x - Step 2: Convert to fraction form
6,168,706.25/8,497,604.00 = 5,247,986.54/x - Step 3: Cross multiply
6,168,706.25x = 8,497,604.00 × 5,247,986.54 - Step 4: Simplify right side
6,168,706.25x = 44,595,311,388,010.23 - Step 5: Solve for x
x = 44,595,311,388,010.23/6,168,706.25 - Step 6: Final answer
x = 7,229,281.08
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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.