Finding the Fourth Proportional to 13,841,958.40, 20,764,492.80 and 4,257,260.80
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Solution
The fourth proportional to 13,841,958.40, 20,764,492.80 and 4,257,260.80 is: 6,386,369.52
Step by Step Solution
- Step 1: Write the proportion equation
13,841,958.40 : 20,764,492.80 = 4,257,260.80 : x - Step 2: Convert to fraction form
13,841,958.40/20,764,492.80 = 4,257,260.80/x - Step 3: Cross multiply
13,841,958.40x = 20,764,492.80 × 4,257,260.80 - Step 4: Simplify right side
13,841,958.40x = 88,399,861,229,322.23 - Step 5: Solve for x
x = 88,399,861,229,322.23/13,841,958.40 - Step 6: Final answer
x = 6,386,369.52
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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.