Finding the Fourth Proportional to 8,057,170.76, 12,085,645.44 and 3,508,121.90
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Solution
The fourth proportional to 8,057,170.76, 12,085,645.44 and 3,508,121.90 is: 5,262,134.65
Step by Step Solution
- Step 1: Write the proportion equation
8,057,170.76 : 12,085,645.44 = 3,508,121.90 : x - Step 2: Convert to fraction form
8,057,170.76/12,085,645.44 = 3,508,121.90/x - Step 3: Cross multiply
8,057,170.76x = 12,085,645.44 × 3,508,121.90 - Step 4: Simplify right side
8,057,170.76x = 42,397,917,443,699.13 - Step 5: Solve for x
x = 42,397,917,443,699.13/8,057,170.76 - Step 6: Final answer
x = 5,262,134.65
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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.