Finding the Fourth Proportional to 18,189,381.90, 27,267,934.19 and 6,672,199.97
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Solution
The fourth proportional to 18,189,381.90, 27,267,934.19 and 6,672,199.97 is: 10,002,380.00
Step by Step Solution
- Step 1: Write the proportion equation
18,189,381.90 : 27,267,934.19 = 6,672,199.97 : x - Step 2: Convert to fraction form
18,189,381.90/27,267,934.19 = 6,672,199.97/x - Step 3: Cross multiply
18,189,381.90x = 27,267,934.19 × 6,672,199.97 - Step 4: Simplify right side
18,189,381.90x = 181,937,109,719,288.81 - Step 5: Solve for x
x = 181,937,109,719,288.81/18,189,381.90 - Step 6: Final answer
x = 10,002,380.00
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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.