Finding the Fourth Proportional to 10,639,812.77, 15,958,222.84 and 3,451,409.84
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Solution
The fourth proportional to 10,639,812.77, 15,958,222.84 and 3,451,409.84 is: 5,176,629.37
Step by Step Solution
- Step 1: Write the proportion equation
10,639,812.77 : 15,958,222.84 = 3,451,409.84 : x - Step 2: Convert to fraction form
10,639,812.77/15,958,222.84 = 3,451,409.84/x - Step 3: Cross multiply
10,639,812.77x = 15,958,222.84 × 3,451,409.84 - Step 4: Simplify right side
10,639,812.77x = 55,078,367,250,469.11 - Step 5: Solve for x
x = 55,078,367,250,469.11/10,639,812.77 - Step 6: Final answer
x = 5,176,629.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.