Finding the Fourth Proportional to 18,118,110.42, 27,177,165.63 and 16,320,921.30
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Solution
The fourth proportional to 18,118,110.42, 27,177,165.63 and 16,320,921.30 is: 24,481,381.95
Step by Step Solution
- Step 1: Write the proportion equation
18,118,110.42 : 27,177,165.63 = 16,320,921.30 : x - Step 2: Convert to fraction form
18,118,110.42/27,177,165.63 = 16,320,921.30/x - Step 3: Cross multiply
18,118,110.42x = 27,177,165.63 × 16,320,921.30 - Step 4: Simplify right side
18,118,110.42x = 443,556,381,404,294.94 - Step 5: Solve for x
x = 443,556,381,404,294.94/18,118,110.42 - Step 6: Final answer
x = 24,481,381.95
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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.