Finding the Fourth Proportional to 8,229,982.79, 11,361,314.54 and 5,481,244.55
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Solution
The fourth proportional to 8,229,982.79, 11,361,314.54 and 5,481,244.55 is: 7,566,740.42
Step by Step Solution
- Step 1: Write the proportion equation
8,229,982.79 : 11,361,314.54 = 5,481,244.55 : x - Step 2: Convert to fraction form
8,229,982.79/11,361,314.54 = 5,481,244.55/x - Step 3: Cross multiply
8,229,982.79x = 11,361,314.54 × 5,481,244.55 - Step 4: Simplify right side
8,229,982.79x = 62,274,143,403,210.75 - Step 5: Solve for x
x = 62,274,143,403,210.75/8,229,982.79 - Step 6: Final answer
x = 7,566,740.42
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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.