Finding the Fourth Proportional to 12,049,991.42, 16,628,935.57 and 6,543,321.84
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Solution
The fourth proportional to 12,049,991.42, 16,628,935.57 and 6,543,321.84 is: 9,029,755.58
Step by Step Solution
- Step 1: Write the proportion equation
12,049,991.42 : 16,628,935.57 = 6,543,321.84 : x - Step 2: Convert to fraction form
12,049,991.42/16,628,935.57 = 6,543,321.84/x - Step 3: Cross multiply
12,049,991.42x = 16,628,935.57 × 6,543,321.84 - Step 4: Simplify right side
12,049,991.42x = 108,808,477,274,775.55 - Step 5: Solve for x
x = 108,808,477,274,775.55/12,049,991.42 - Step 6: Final answer
x = 9,029,755.58
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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.