Finding the Fourth Proportional to 18,542,838.24, 27,821,910.24 and 10,013,130
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Solution
The fourth proportional to 18,542,838.24, 27,821,910.24 and 10,013,130 is: 15,023,827.55
Step by Step Solution
- Step 1: Write the proportion equation
18,542,838.24 : 27,821,910.24 = 10,013,130 : x - Step 2: Convert to fraction form
18,542,838.24/27,821,910.24 = 10,013,130/x - Step 3: Cross multiply
18,542,838.24x = 27,821,910.24 × 10,013,130 - Step 4: Simplify right side
18,542,838.24x = 278,584,404,081,451.19 - Step 5: Solve for x
x = 278,584,404,081,451.19/18,542,838.24 - Step 6: Final answer
x = 15,023,827.55
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1.5x scale
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.