Finding the Fourth Proportional to 5,384,816.20, 8,081,630.70 and 5,342,825.80
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Solution
The fourth proportional to 5,384,816.20, 8,081,630.70 and 5,342,825.80 is: 8,018,610.74
Step by Step Solution
- Step 1: Write the proportion equation
5,384,816.20 : 8,081,630.70 = 5,342,825.80 : x - Step 2: Convert to fraction form
5,384,816.20/8,081,630.70 = 5,342,825.80/x - Step 3: Cross multiply
5,384,816.20x = 8,081,630.70 × 5,342,825.80 - Step 4: Simplify right side
5,384,816.20x = 43,178,745,010,032.06 - Step 5: Solve for x
x = 43,178,745,010,032.06/5,384,816.20 - Step 6: Final answer
x = 8,018,610.74
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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.