Finding the Fourth Proportional to 18,795,647.07, 28,193,492.81 and 5,148,910.98
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Solution
The fourth proportional to 18,795,647.07, 28,193,492.81 and 5,148,910.98 is: 7,723,372.55
Step by Step Solution
- Step 1: Write the proportion equation
18,795,647.07 : 28,193,492.81 = 5,148,910.98 : x - Step 2: Convert to fraction form
18,795,647.07/28,193,492.81 = 5,148,910.98/x - Step 3: Cross multiply
18,795,647.07x = 28,193,492.81 × 5,148,910.98 - Step 4: Simplify right side
18,795,647.07x = 145,165,784,706,832.34 - Step 5: Solve for x
x = 145,165,784,706,832.34/18,795,647.07 - Step 6: Final answer
x = 7,723,372.55
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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.