Finding the Fourth Proportional to 16,307,233.20, 24,431,325.30 and 12,917,820.60
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Solution
The fourth proportional to 16,307,233.20, 24,431,325.30 and 12,917,820.60 is: 19,353,342.98
Step by Step Solution
- Step 1: Write the proportion equation
16,307,233.20 : 24,431,325.30 = 12,917,820.60 : x - Step 2: Convert to fraction form
16,307,233.20/24,431,325.30 = 12,917,820.60/x - Step 3: Cross multiply
16,307,233.20x = 24,431,325.30 × 12,917,820.60 - Step 4: Simplify right side
16,307,233.20x = 315,599,477,245,641.19 - Step 5: Solve for x
x = 315,599,477,245,641.19/16,307,233.20 - Step 6: Final answer
x = 19,353,342.98
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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.