Finding the Fourth Proportional to 18,354,720.70, 27,532,081.05 and 9,851,664.70
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Solution
The fourth proportional to 18,354,720.70, 27,532,081.05 and 9,851,664.70 is: 14,777,497.05
Step by Step Solution
- Step 1: Write the proportion equation
18,354,720.70 : 27,532,081.05 = 9,851,664.70 : x - Step 2: Convert to fraction form
18,354,720.70/27,532,081.05 = 9,851,664.70/x - Step 3: Cross multiply
18,354,720.70x = 27,532,081.05 × 9,851,664.70 - Step 4: Simplify right side
18,354,720.70x = 271,236,830,997,823.91 - Step 5: Solve for x
x = 271,236,830,997,823.91/18,354,720.70 - Step 6: Final answer
x = 14,777,497.05
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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.