Finding the Fourth Proportional to 12,472,874.14, 18,709,357.17 and 3,836,914.75
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Solution
The fourth proportional to 12,472,874.14, 18,709,357.17 and 3,836,914.75 is: 5,755,386.26
Step by Step Solution
- Step 1: Write the proportion equation
12,472,874.14 : 18,709,357.17 = 3,836,914.75 : x - Step 2: Convert to fraction form
12,472,874.14/18,709,357.17 = 3,836,914.75/x - Step 3: Cross multiply
12,472,874.14x = 18,709,357.17 × 3,836,914.75 - Step 4: Simplify right side
12,472,874.14x = 71,786,208,406,121.81 - Step 5: Solve for x
x = 71,786,208,406,121.81/12,472,874.14 - Step 6: Final answer
x = 5,755,386.26
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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.