Finding the Fourth Proportional to 8,865,512.82, 13,299,023.60 and 2,798,621.46
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Solution
The fourth proportional to 8,865,512.82, 13,299,023.60 and 2,798,621.46 is: 4,198,170.33
Step by Step Solution
- Step 1: Write the proportion equation
8,865,512.82 : 13,299,023.60 = 2,798,621.46 : x - Step 2: Convert to fraction form
8,865,512.82/13,299,023.60 = 2,798,621.46/x - Step 3: Cross multiply
8,865,512.82x = 13,299,023.60 × 2,798,621.46 - Step 4: Simplify right side
8,865,512.82x = 37,218,932,844,006.45 - Step 5: Solve for x
x = 37,218,932,844,006.45/8,865,512.82 - Step 6: Final answer
x = 4,198,170.33
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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.