Finding the Fourth Proportional to 11,888,295.35, 16,405,569.99 and 6,993,832.59
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Solution
The fourth proportional to 11,888,295.35, 16,405,569.99 and 6,993,832.59 is: 9,651,325.67
Step by Step Solution
- Step 1: Write the proportion equation
11,888,295.35 : 16,405,569.99 = 6,993,832.59 : x - Step 2: Convert to fraction form
11,888,295.35/16,405,569.99 = 6,993,832.59/x - Step 3: Cross multiply
11,888,295.35x = 16,405,569.99 × 6,993,832.59 - Step 4: Simplify right side
11,888,295.35x = 114,737,810,053,587.97 - Step 5: Solve for x
x = 114,737,810,053,587.97/11,888,295.35 - Step 6: Final answer
x = 9,651,325.67
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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.