Finding the Fourth Proportional to 19,574,476.20, 29,361,714.30 and 11,491,324.20
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Solution
The fourth proportional to 19,574,476.20, 29,361,714.30 and 11,491,324.20 is: 17,236,986.30
Step by Step Solution
- Step 1: Write the proportion equation
19,574,476.20 : 29,361,714.30 = 11,491,324.20 : x - Step 2: Convert to fraction form
19,574,476.20/29,361,714.30 = 11,491,324.20/x - Step 3: Cross multiply
19,574,476.20x = 29,361,714.30 × 11,491,324.20 - Step 4: Simplify right side
19,574,476.20x = 337,404,978,089,076.06 - Step 5: Solve for x
x = 337,404,978,089,076.06/19,574,476.20 - Step 6: Final answer
x = 17,236,986.30
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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.