Finding the Fourth Proportional to 25,168,983.96, 34,713,520.88 and 16,351,276.26
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Solution
The fourth proportional to 25,168,983.96, 34,713,520.88 and 16,351,276.26 is: 22,551,977.89
Step by Step Solution
- Step 1: Write the proportion equation
25,168,983.96 : 34,713,520.88 = 16,351,276.26 : x - Step 2: Convert to fraction form
25,168,983.96/34,713,520.88 = 16,351,276.26/x - Step 3: Cross multiply
25,168,983.96x = 34,713,520.88 × 16,351,276.26 - Step 4: Simplify right side
25,168,983.96x = 567,610,369,866,158.38 - Step 5: Solve for x
x = 567,610,369,866,158.38/25,168,983.96 - Step 6: Final answer
x = 22,551,977.89
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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.