Finding the Fourth Proportional to 18,374,292.60, 27,561,438.90 and 5,593,136.55
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Solution
The fourth proportional to 18,374,292.60, 27,561,438.90 and 5,593,136.55 is: 8,389,704.83
Step by Step Solution
- Step 1: Write the proportion equation
18,374,292.60 : 27,561,438.90 = 5,593,136.55 : x - Step 2: Convert to fraction form
18,374,292.60/27,561,438.90 = 5,593,136.55/x - Step 3: Cross multiply
18,374,292.60x = 27,561,438.90 × 5,593,136.55 - Step 4: Simplify right side
18,374,292.60x = 154,154,891,282,181.78 - Step 5: Solve for x
x = 154,154,891,282,181.78/18,374,292.60 - Step 6: Final answer
x = 8,389,704.83
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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.