Finding the Fourth Proportional to 11,710,856.82, 16,160,979.99 and 6,554,218.08
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Solution
The fourth proportional to 11,710,856.82, 16,160,979.99 and 6,554,218.08 is: 9,044,819.60
Step by Step Solution
- Step 1: Write the proportion equation
11,710,856.82 : 16,160,979.99 = 6,554,218.08 : x - Step 2: Convert to fraction form
11,710,856.82/16,160,979.99 = 6,554,218.08/x - Step 3: Cross multiply
11,710,856.82x = 16,160,979.99 × 6,554,218.08 - Step 4: Simplify right side
11,710,856.82x = 105,922,587,240,976.22 - Step 5: Solve for x
x = 105,922,587,240,976.22/11,710,856.82 - Step 6: Final answer
x = 9,044,819.60
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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.