Finding the Fourth Proportional to 11,789,928.69, 16,269,986.76 and 6,562,853.97
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Solution
The fourth proportional to 11,789,928.69, 16,269,986.76 and 6,562,853.97 is: 9,056,674.55
Step by Step Solution
- Step 1: Write the proportion equation
11,789,928.69 : 16,269,986.76 = 6,562,853.97 : x - Step 2: Convert to fraction form
11,789,928.69/16,269,986.76 = 6,562,853.97/x - Step 3: Cross multiply
11,789,928.69x = 16,269,986.76 × 6,562,853.97 - Step 4: Simplify right side
11,789,928.69x = 106,777,547,085,549.23 - Step 5: Solve for x
x = 106,777,547,085,549.23/11,789,928.69 - Step 6: Final answer
x = 9,056,674.55
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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.