Finding the Fourth Proportional to 25,232,926.79, 34,821,469.95 and 13,630,490.44
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Solution
The fourth proportional to 25,232,926.79, 34,821,469.95 and 13,630,490.44 is: 18,810,093.54
Step by Step Solution
- Step 1: Write the proportion equation
25,232,926.79 : 34,821,469.95 = 13,630,490.44 : x - Step 2: Convert to fraction form
25,232,926.79/34,821,469.95 = 13,630,490.44/x - Step 3: Cross multiply
25,232,926.79x = 34,821,469.95 × 13,630,490.44 - Step 4: Simplify right side
25,232,926.79x = 474,633,713,260,222.31 - Step 5: Solve for x
x = 474,633,713,260,222.31/25,232,926.79 - Step 6: Final answer
x = 18,810,093.54
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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.