Finding the Fourth Proportional to 41,106,097.79, 61,660,147.39 and 13,812,786.12
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Solution
The fourth proportional to 41,106,097.79, 61,660,147.39 and 13,812,786.12 is: 20,719,515.45
Step by Step Solution
- Step 1: Write the proportion equation
41,106,097.79 : 61,660,147.39 = 13,812,786.12 : x - Step 2: Convert to fraction form
41,106,097.79/61,660,147.39 = 13,812,786.12/x - Step 3: Cross multiply
41,106,097.79x = 61,660,147.39 × 13,812,786.12 - Step 4: Simplify right side
41,106,097.79x = 851,698,428,222,439.88 - Step 5: Solve for x
x = 851,698,428,222,439.88/41,106,097.79 - Step 6: Final answer
x = 20,719,515.45
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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.