Finding the Fourth Proportional to 11,783,116.41, 16,260,445.76 and 6,821,766.95
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Solution
The fourth proportional to 11,783,116.41, 16,260,445.76 and 6,821,766.95 is: 9,413,890.83
Step by Step Solution
- Step 1: Write the proportion equation
11,783,116.41 : 16,260,445.76 = 6,821,766.95 : x - Step 2: Convert to fraction form
11,783,116.41/16,260,445.76 = 6,821,766.95/x - Step 3: Cross multiply
11,783,116.41x = 16,260,445.76 × 6,821,766.95 - Step 4: Simplify right side
11,783,116.41x = 110,924,971,477,835.64 - Step 5: Solve for x
x = 110,924,971,477,835.64/11,783,116.41 - Step 6: Final answer
x = 9,413,890.83
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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.