Finding the Fourth Proportional to 7,647,728.60, 11,471,541.87 and 3,098,710.28
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Solution
The fourth proportional to 7,647,728.60, 11,471,541.87 and 3,098,710.28 is: 4,648,044.75
Step by Step Solution
- Step 1: Write the proportion equation
7,647,728.60 : 11,471,541.87 = 3,098,710.28 : x - Step 2: Convert to fraction form
7,647,728.60/11,471,541.87 = 3,098,710.28/x - Step 3: Cross multiply
7,647,728.60x = 11,471,541.87 × 3,098,710.28 - Step 4: Simplify right side
7,647,728.60x = 35,546,984,760,318.45 - Step 5: Solve for x
x = 35,546,984,760,318.45/7,647,728.60 - Step 6: Final answer
x = 4,648,044.75
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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.