Finding the Fourth Proportional to 19,601,399.22, 27,048,819.81 and 10,899,384.99
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Solution
The fourth proportional to 19,601,399.22, 27,048,819.81 and 10,899,384.99 is: 15,040,533.45
Step by Step Solution
- Step 1: Write the proportion equation
19,601,399.22 : 27,048,819.81 = 10,899,384.99 : x - Step 2: Convert to fraction form
19,601,399.22/27,048,819.81 = 10,899,384.99/x - Step 3: Cross multiply
19,601,399.22x = 27,048,819.81 × 10,899,384.99 - Step 4: Simplify right side
19,601,399.22x = 294,815,500,634,328.62 - Step 5: Solve for x
x = 294,815,500,634,328.62/19,601,399.22 - Step 6: Final answer
x = 15,040,533.45
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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.