Finding the Fourth Proportional to 8,324,729.84, 12,486,809.64 and 3,529,331.12
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Solution
The fourth proportional to 8,324,729.84, 12,486,809.64 and 3,529,331.12 is: 5,293,875.80
Step by Step Solution
- Step 1: Write the proportion equation
8,324,729.84 : 12,486,809.64 = 3,529,331.12 : x - Step 2: Convert to fraction form
8,324,729.84/12,486,809.64 = 3,529,331.12/x - Step 3: Cross multiply
8,324,729.84x = 12,486,809.64 × 3,529,331.12 - Step 4: Simplify right side
8,324,729.84x = 44,070,085,851,968 - Step 5: Solve for x
x = 44,070,085,851,968/8,324,729.84 - Step 6: Final answer
x = 5,293,875.80
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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.