Finding the Fourth Proportional to 18,343,345, 25,339,716.74 and 14,696,478.76
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Solution
The fourth proportional to 18,343,345, 25,339,716.74 and 14,696,478.76 is: 20,301,891.99
Step by Step Solution
- Step 1: Write the proportion equation
18,343,345 : 25,339,716.74 = 14,696,478.76 : x - Step 2: Convert to fraction form
18,343,345/25,339,716.74 = 14,696,478.76/x - Step 3: Cross multiply
18,343,345x = 25,339,716.74 × 14,696,478.76 - Step 4: Simplify right side
18,343,345x = 372,404,608,853,826.44 - Step 5: Solve for x
x = 372,404,608,853,826.44/18,343,345 - Step 6: Final answer
x = 20,301,891.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.