Finding the Fourth Proportional to 8,824,169.63, 13,147,563.47 and 8,328,563.98
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Solution
The fourth proportional to 8,824,169.63, 13,147,563.47 and 8,328,563.98 is: 12,409,136.27
Step by Step Solution
- Step 1: Write the proportion equation
8,824,169.63 : 13,147,563.47 = 8,328,563.98 : x - Step 2: Convert to fraction form
8,824,169.63/13,147,563.47 = 8,328,563.98/x - Step 3: Cross multiply
8,824,169.63x = 13,147,563.47 × 8,328,563.98 - Step 4: Simplify right side
8,824,169.63x = 109,500,323,466,494.08 - Step 5: Solve for x
x = 109,500,323,466,494.08/8,824,169.63 - Step 6: Final answer
x = 12,409,136.27
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.