Finding the Fourth Proportional to 11,612,629.77, 16,026,450.03 and 6,386,558.82
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Solution
The fourth proportional to 11,612,629.77, 16,026,450.03 and 6,386,558.82 is: 8,814,012.66
Step by Step Solution
- Step 1: Write the proportion equation
11,612,629.77 : 16,026,450.03 = 6,386,558.82 : x - Step 2: Convert to fraction form
11,612,629.77/16,026,450.03 = 6,386,558.82/x - Step 3: Cross multiply
11,612,629.77x = 16,026,450.03 × 6,386,558.82 - Step 4: Simplify right side
11,612,629.77x = 102,353,865,792,385.77 - Step 5: Solve for x
x = 102,353,865,792,385.77/11,612,629.77 - Step 6: Final answer
x = 8,814,012.66
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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.