Finding the Fourth Proportional to 10,740,190.49, 16,120,690.11 and 10,156,915.84
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Solution
The fourth proportional to 10,740,190.49, 16,120,690.11 and 10,156,915.84 is: 15,245,213.09
Step by Step Solution
- Step 1: Write the proportion equation
10,740,190.49 : 16,120,690.11 = 10,156,915.84 : x - Step 2: Convert to fraction form
10,740,190.49/16,120,690.11 = 10,156,915.84/x - Step 3: Cross multiply
10,740,190.49x = 16,120,690.11 × 10,156,915.84 - Step 4: Simplify right side
10,740,190.49x = 163,736,492,691,353.66 - Step 5: Solve for x
x = 163,736,492,691,353.66/10,740,190.49 - Step 6: Final answer
x = 15,245,213.09
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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.