Finding the Fourth Proportional to 11,609,843.76, 16,021,175.76 and 6,382,813.86
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Solution
The fourth proportional to 11,609,843.76, 16,021,175.76 and 6,382,813.86 is: 8,808,058.47
Step by Step Solution
- Step 1: Write the proportion equation
11,609,843.76 : 16,021,175.76 = 6,382,813.86 : x - Step 2: Convert to fraction form
11,609,843.76/16,021,175.76 = 6,382,813.86/x - Step 3: Cross multiply
11,609,843.76x = 16,021,175.76 × 6,382,813.86 - Step 4: Simplify right side
11,609,843.76x = 102,260,182,694,424.03 - Step 5: Solve for x
x = 102,260,182,694,424.03/11,609,843.76 - Step 6: Final answer
x = 8,808,058.47
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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.