Finding the Fourth Proportional to 8,228,531.42, 12,343,608.84 and 2,836,472.12
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Solution
The fourth proportional to 8,228,531.42, 12,343,608.84 and 2,836,472.12 is: 4,254,987.99
Step by Step Solution
- Step 1: Write the proportion equation
8,228,531.42 : 12,343,608.84 = 2,836,472.12 : x - Step 2: Convert to fraction form
8,228,531.42/12,343,608.84 = 2,836,472.12/x - Step 3: Cross multiply
8,228,531.42x = 12,343,608.84 × 2,836,472.12 - Step 4: Simplify right side
8,228,531.42x = 35,012,302,334,845.54 - Step 5: Solve for x
x = 35,012,302,334,845.54/8,228,531.42 - Step 6: Final answer
x = 4,254,987.99
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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.