Finding the Fourth Proportional to 12,022,077.49, 16,590,424.45 and 6,515,585.98
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Solution
The fourth proportional to 12,022,077.49, 16,590,424.45 and 6,515,585.98 is: 8,991,485.63
Step by Step Solution
- Step 1: Write the proportion equation
12,022,077.49 : 16,590,424.45 = 6,515,585.98 : x - Step 2: Convert to fraction form
12,022,077.49/16,590,424.45 = 6,515,585.98/x - Step 3: Cross multiply
12,022,077.49x = 16,590,424.45 × 6,515,585.98 - Step 4: Simplify right side
12,022,077.49x = 108,096,336,948,669.22 - Step 5: Solve for x
x = 108,096,336,948,669.22/12,022,077.49 - Step 6: Final answer
x = 8,991,485.63
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1.5x scale
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.