Finding the Fourth Proportional to 11,945,358.96, 17,918,104.05 and 2,969,910.96
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Solution
The fourth proportional to 11,945,358.96, 17,918,104.05 and 2,969,910.96 is: 4,454,882.75
Step by Step Solution
- Step 1: Write the proportion equation
11,945,358.96 : 17,918,104.05 = 2,969,910.96 : x - Step 2: Convert to fraction form
11,945,358.96/17,918,104.05 = 2,969,910.96/x - Step 3: Cross multiply
11,945,358.96x = 17,918,104.05 × 2,969,910.96 - Step 4: Simplify right side
11,945,358.96x = 53,215,173,600,515.39 - Step 5: Solve for x
x = 53,215,173,600,515.39/11,945,358.96 - Step 6: Final answer
x = 4,454,882.75
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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.