Finding the Fourth Proportional to 11,518,839.16, 17,276,367.36 and 3,842,542.96
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Solution
The fourth proportional to 11,518,839.16, 17,276,367.36 and 3,842,542.96 is: 5,763,183.50
Step by Step Solution
- Step 1: Write the proportion equation
11,518,839.16 : 17,276,367.36 = 3,842,542.96 : x - Step 2: Convert to fraction form
11,518,839.16/17,276,367.36 = 3,842,542.96/x - Step 3: Cross multiply
11,518,839.16x = 17,276,367.36 × 3,842,542.96 - Step 4: Simplify right side
11,518,839.16x = 66,385,183,773,541.78 - Step 5: Solve for x
x = 66,385,183,773,541.78/11,518,839.16 - Step 6: Final answer
x = 5,763,183.50
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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.