Finding the Fourth Proportional to 11,710,858.82, 16,160,982.74 and 6,554,220.08
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Solution
The fourth proportional to 11,710,858.82, 16,160,982.74 and 6,554,220.08 is: 9,044,822.35
Step by Step Solution
- Step 1: Write the proportion equation
11,710,858.82 : 16,160,982.74 = 6,554,220.08 : x - Step 2: Convert to fraction form
11,710,858.82/16,160,982.74 = 6,554,220.08/x - Step 3: Cross multiply
11,710,858.82x = 16,160,982.74 × 6,554,220.08 - Step 4: Simplify right side
11,710,858.82x = 105,922,637,587,041.42 - Step 5: Solve for x
x = 105,922,637,587,041.42/11,710,858.82 - Step 6: Final answer
x = 9,044,822.35
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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.