Finding the Fourth Proportional to 11,624,272.54, 16,043,716.97 and 7,697,101.91
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Solution
The fourth proportional to 11,624,272.54, 16,043,716.97 and 7,697,101.91 is: 10,623,471.21
Step by Step Solution
- Step 1: Write the proportion equation
11,624,272.54 : 16,043,716.97 = 7,697,101.91 : x - Step 2: Convert to fraction form
11,624,272.54/16,043,716.97 = 7,697,101.91/x - Step 3: Cross multiply
11,624,272.54x = 16,043,716.97 × 7,697,101.91 - Step 4: Simplify right side
11,624,272.54x = 123,490,124,572,212.05 - Step 5: Solve for x
x = 123,490,124,572,212.05/11,624,272.54 - Step 6: Final answer
x = 10,623,471.21
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1.5x scale
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.