Finding the Fourth Proportional to 16,368,125.20, 24,536,441.40 and 12,722,833.60
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Solution
The fourth proportional to 16,368,125.20, 24,536,441.40 and 12,722,833.60 is: 19,072,010.83
Step by Step Solution
- Step 1: Write the proportion equation
16,368,125.20 : 24,536,441.40 = 12,722,833.60 : x - Step 2: Convert to fraction form
16,368,125.20/24,536,441.40 = 12,722,833.60/x - Step 3: Cross multiply
16,368,125.20x = 24,536,441.40 × 12,722,833.60 - Step 4: Simplify right side
16,368,125.20x = 312,173,061,068,351 - Step 5: Solve for x
x = 312,173,061,068,351/16,368,125.20 - Step 6: Final answer
x = 19,072,010.83
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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.