Finding the Fourth Proportional to 18,452,844.40, 27,679,266.60 and 6,318,274.90
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Solution
The fourth proportional to 18,452,844.40, 27,679,266.60 and 6,318,274.90 is: 9,477,412.35
Step by Step Solution
- Step 1: Write the proportion equation
18,452,844.40 : 27,679,266.60 = 6,318,274.90 : x - Step 2: Convert to fraction form
18,452,844.40/27,679,266.60 = 6,318,274.90/x - Step 3: Cross multiply
18,452,844.40x = 27,679,266.60 × 6,318,274.90 - Step 4: Simplify right side
18,452,844.40x = 174,885,215,409,188.38 - Step 5: Solve for x
x = 174,885,215,409,188.38/18,452,844.40 - Step 6: Final answer
x = 9,477,412.35
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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.