Finding the Fourth Proportional to 7,400,666.53, 11,083,755.64 and 7,196,356.99
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Solution
The fourth proportional to 7,400,666.53, 11,083,755.64 and 7,196,356.99 is: 10,777,767.39
Step by Step Solution
- Step 1: Write the proportion equation
7,400,666.53 : 11,083,755.64 = 7,196,356.99 : x - Step 2: Convert to fraction form
7,400,666.53/11,083,755.64 = 7,196,356.99/x - Step 3: Cross multiply
7,400,666.53x = 11,083,755.64 × 7,196,356.99 - Step 4: Simplify right side
7,400,666.53x = 79,762,662,353,549.83 - Step 5: Solve for x
x = 79,762,662,353,549.83/7,400,666.53 - Step 6: Final answer
x = 10,777,767.39
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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.