Finding the Fourth Proportional to 18,416,002.48, 27,616,403.46 and 6,286,442.91
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Solution
The fourth proportional to 18,416,002.48, 27,616,403.46 and 6,286,442.91 is: 9,427,069.96
Step by Step Solution
- Step 1: Write the proportion equation
18,416,002.48 : 27,616,403.46 = 6,286,442.91 : x - Step 2: Convert to fraction form
18,416,002.48/27,616,403.46 = 6,286,442.91/x - Step 3: Cross multiply
18,416,002.48x = 27,616,403.46 × 6,286,442.91 - Step 4: Simplify right side
18,416,002.48x = 173,608,943,699,384.25 - Step 5: Solve for x
x = 173,608,943,699,384.25/18,416,002.48 - Step 6: Final answer
x = 9,427,069.96
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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.