Finding the Fourth Proportional to 12,462,220.53, 18,694,823.49 and 3,825,189.81
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Solution
The fourth proportional to 12,462,220.53, 18,694,823.49 and 3,825,189.81 is: 5,738,242.89
Step by Step Solution
- Step 1: Write the proportion equation
12,462,220.53 : 18,694,823.49 = 3,825,189.81 : x - Step 2: Convert to fraction form
12,462,220.53/18,694,823.49 = 3,825,189.81/x - Step 3: Cross multiply
12,462,220.53x = 18,694,823.49 × 3,825,189.81 - Step 4: Simplify right side
12,462,220.53x = 71,511,248,313,696.62 - Step 5: Solve for x
x = 71,511,248,313,696.62/12,462,220.53 - Step 6: Final answer
x = 5,738,242.89
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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.