Finding the Fourth Proportional to 6,662,812.75, 9,998,199.53 and 6,120,738.03
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Solution
The fourth proportional to 6,662,812.75, 9,998,199.53 and 6,120,738.03 is: 9,184,763.61
Step by Step Solution
- Step 1: Write the proportion equation
6,662,812.75 : 9,998,199.53 = 6,120,738.03 : x - Step 2: Convert to fraction form
6,662,812.75/9,998,199.53 = 6,120,738.03/x - Step 3: Cross multiply
6,662,812.75x = 9,998,199.53 × 6,120,738.03 - Step 4: Simplify right side
6,662,812.75x = 61,196,360,064,195.44 - Step 5: Solve for x
x = 61,196,360,064,195.44/6,662,812.75 - Step 6: Final answer
x = 9,184,763.61
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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.