Finding the Fourth Proportional to 25,455,458.12, 35,135,934.58 and 16,636,236.08
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Solution
The fourth proportional to 25,455,458.12, 35,135,934.58 and 16,636,236.08 is: 22,962,843.56
Step by Step Solution
- Step 1: Write the proportion equation
25,455,458.12 : 35,135,934.58 = 16,636,236.08 : x - Step 2: Convert to fraction form
25,455,458.12/35,135,934.58 = 16,636,236.08/x - Step 3: Cross multiply
25,455,458.12x = 35,135,934.58 × 16,636,236.08 - Step 4: Simplify right side
25,455,458.12x = 584,529,702,564,315.62 - Step 5: Solve for x
x = 584,529,702,564,315.62/25,455,458.12 - Step 6: Final answer
x = 22,962,843.56
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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.