Finding the Fourth Proportional to 18,440,173.20, 27,660,259.80 and 18,440,173.20
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Solution
The fourth proportional to 18,440,173.20, 27,660,259.80 and 18,440,173.20 is: 27,660,259.80
Step by Step Solution
- Step 1: Write the proportion equation
18,440,173.20 : 27,660,259.80 = 18,440,173.20 : x - Step 2: Convert to fraction form
18,440,173.20/27,660,259.80 = 18,440,173.20/x - Step 3: Cross multiply
18,440,173.20x = 27,660,259.80 × 18,440,173.20 - Step 4: Simplify right side
18,440,173.20x = 510,059,981,468,997.38 - Step 5: Solve for x
x = 510,059,981,468,997.38/18,440,173.20 - Step 6: Final answer
x = 27,660,259.80
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1.5x scale
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.