Finding the Fourth Proportional to 10,562,295.60, 15,816,157.28 and 7,289,748.08
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Solution
The fourth proportional to 10,562,295.60, 15,816,157.28 and 7,289,748.08 is: 10,915,790.14
Step by Step Solution
- Step 1: Write the proportion equation
10,562,295.60 : 15,816,157.28 = 7,289,748.08 : x - Step 2: Convert to fraction form
10,562,295.60/15,816,157.28 = 7,289,748.08/x - Step 3: Cross multiply
10,562,295.60x = 15,816,157.28 × 7,289,748.08 - Step 4: Simplify right side
10,562,295.60x = 115,295,802,164,858.02 - Step 5: Solve for x
x = 115,295,802,164,858.02/10,562,295.60 - Step 6: Final answer
x = 10,915,790.14
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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.