Finding the Fourth Proportional to 11,541,429.36, 15,915,377.88 and 7,674,580.08
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Solution
The fourth proportional to 11,541,429.36, 15,915,377.88 and 7,674,580.08 is: 10,583,077.56
Step by Step Solution
- Step 1: Write the proportion equation
11,541,429.36 : 15,915,377.88 = 7,674,580.08 : x - Step 2: Convert to fraction form
11,541,429.36/15,915,377.88 = 7,674,580.08/x - Step 3: Cross multiply
11,541,429.36x = 15,915,377.88 × 7,674,580.08 - Step 4: Simplify right side
11,541,429.36x = 122,143,842,043,520.64 - Step 5: Solve for x
x = 122,143,842,043,520.64/11,541,429.36 - Step 6: Final answer
x = 10,583,077.56
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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.