Finding the Fourth Proportional to 27,695,882.09, 38,225,598.57 and 18,260,105.63
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Solution
The fourth proportional to 27,695,882.09, 38,225,598.57 and 18,260,105.63 is: 25,202,427.75
Step by Step Solution
- Step 1: Write the proportion equation
27,695,882.09 : 38,225,598.57 = 18,260,105.63 : x - Step 2: Convert to fraction form
27,695,882.09/38,225,598.57 = 18,260,105.63/x - Step 3: Cross multiply
27,695,882.09x = 38,225,598.57 × 18,260,105.63 - Step 4: Simplify right side
27,695,882.09x = 698,003,467,467,049 - Step 5: Solve for x
x = 698,003,467,467,049/27,695,882.09 - Step 6: Final answer
x = 25,202,427.75
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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.