Finding the Fourth Proportional to 27,324,489.84, 40,985,257.32 and 13,860,967.92
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Solution
The fourth proportional to 27,324,489.84, 40,985,257.32 and 13,860,967.92 is: 20,790,702.42
Step by Step Solution
- Step 1: Write the proportion equation
27,324,489.84 : 40,985,257.32 = 13,860,967.92 : x - Step 2: Convert to fraction form
27,324,489.84/40,985,257.32 = 13,860,967.92/x - Step 3: Cross multiply
27,324,489.84x = 40,985,257.32 × 13,860,967.92 - Step 4: Simplify right side
27,324,489.84x = 568,095,336,905,465.12 - Step 5: Solve for x
x = 568,095,336,905,465.12/27,324,489.84 - Step 6: Final answer
x = 20,790,702.42
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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.