Finding the Fourth Proportional to 8,274,331.60, 12,411,497.40 and 5,723,414.80
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Solution
The fourth proportional to 8,274,331.60, 12,411,497.40 and 5,723,414.80 is: 8,585,122.20
Step by Step Solution
- Step 1: Write the proportion equation
8,274,331.60 : 12,411,497.40 = 5,723,414.80 : x - Step 2: Convert to fraction form
8,274,331.60/12,411,497.40 = 5,723,414.80/x - Step 3: Cross multiply
8,274,331.60x = 12,411,497.40 × 5,723,414.80 - Step 4: Simplify right side
8,274,331.60x = 71,036,147,909,321.52 - Step 5: Solve for x
x = 71,036,147,909,321.52/8,274,331.60 - Step 6: Final answer
x = 8,585,122.20
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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.