Finding the Fourth Proportional to 7,330,001.62, 10,115,059.53 and 4,066,781.62
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Solution
The fourth proportional to 7,330,001.62, 10,115,059.53 and 4,066,781.62 is: 5,611,968.50
Step by Step Solution
- Step 1: Write the proportion equation
7,330,001.62 : 10,115,059.53 = 4,066,781.62 : x - Step 2: Convert to fraction form
7,330,001.62/10,115,059.53 = 4,066,781.62/x - Step 3: Cross multiply
7,330,001.62x = 10,115,059.53 × 4,066,781.62 - Step 4: Simplify right side
7,330,001.62x = 41,135,738,181,809.84 - Step 5: Solve for x
x = 41,135,738,181,809.84/7,330,001.62 - Step 6: Final answer
x = 5,611,968.50
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1.5x scale
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.