Finding the Fourth Proportional to 7,132,076.43, 10,679,218.62 and 3,759,197.55
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Solution
The fourth proportional to 7,132,076.43, 10,679,218.62 and 3,759,197.55 is: 5,628,836.55
Step by Step Solution
- Step 1: Write the proportion equation
7,132,076.43 : 10,679,218.62 = 3,759,197.55 : x - Step 2: Convert to fraction form
7,132,076.43/10,679,218.62 = 3,759,197.55/x - Step 3: Cross multiply
7,132,076.43x = 10,679,218.62 × 3,759,197.55 - Step 4: Simplify right side
7,132,076.43x = 40,145,292,472,218.38 - Step 5: Solve for x
x = 40,145,292,472,218.38/7,132,076.43 - Step 6: Final answer
x = 5,628,836.55
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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.