Finding the Fourth Proportional to 18,556,317.92, 27,838,104.61 and 5,603,523.07
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Solution
The fourth proportional to 18,556,317.92, 27,838,104.61 and 5,603,523.07 is: 8,406,380.08
Step by Step Solution
- Step 1: Write the proportion equation
18,556,317.92 : 27,838,104.61 = 5,603,523.07 : x - Step 2: Convert to fraction form
18,556,317.92/27,838,104.61 = 5,603,523.07/x - Step 3: Cross multiply
18,556,317.92x = 27,838,104.61 × 5,603,523.07 - Step 4: Simplify right side
18,556,317.92x = 155,991,461,323,604.28 - Step 5: Solve for x
x = 155,991,461,323,604.28/18,556,317.92 - Step 6: Final answer
x = 8,406,380.08
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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.