Finding the Fourth Proportional to 7,306,621.75, 10,083,157.68 and 4,043,661.49
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Solution
The fourth proportional to 7,306,621.75, 10,083,157.68 and 4,043,661.49 is: 5,580,263.74
Step by Step Solution
- Step 1: Write the proportion equation
7,306,621.75 : 10,083,157.68 = 4,043,661.49 : x - Step 2: Convert to fraction form
7,306,621.75/10,083,157.68 = 4,043,661.49/x - Step 3: Cross multiply
7,306,621.75x = 10,083,157.68 × 4,043,661.49 - Step 4: Simplify right side
7,306,621.75x = 40,772,876,408,213.74 - Step 5: Solve for x
x = 40,772,876,408,213.74/7,306,621.75 - Step 6: Final answer
x = 5,580,263.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.