Finding the Fourth Proportional to 16,489,405.80, 24,734,108.70 and 12,397,310.10
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Solution
The fourth proportional to 16,489,405.80, 24,734,108.70 and 12,397,310.10 is: 18,595,965.15
Step by Step Solution
- Step 1: Write the proportion equation
16,489,405.80 : 24,734,108.70 = 12,397,310.10 : x - Step 2: Convert to fraction form
16,489,405.80/24,734,108.70 = 12,397,310.10/x - Step 3: Cross multiply
16,489,405.80x = 24,734,108.70 × 12,397,310.10 - Step 4: Simplify right side
16,489,405.80x = 306,636,415,601,007.88 - Step 5: Solve for x
x = 306,636,415,601,007.88/16,489,405.80 - Step 6: Final answer
x = 18,595,965.15
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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.