Finding the Fourth Proportional to 11,783,138.05, 16,260,475.56 and 6,821,788.63
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Solution
The fourth proportional to 11,783,138.05, 16,260,475.56 and 6,821,788.63 is: 9,413,920.71
Step by Step Solution
- Step 1: Write the proportion equation
11,783,138.05 : 16,260,475.56 = 6,821,788.63 : x - Step 2: Convert to fraction form
11,783,138.05/16,260,475.56 = 6,821,788.63/x - Step 3: Cross multiply
11,783,138.05x = 16,260,475.56 × 6,821,788.63 - Step 4: Simplify right side
11,783,138.05x = 110,925,527,293,600.89 - Step 5: Solve for x
x = 110,925,527,293,600.89/11,783,138.05 - Step 6: Final answer
x = 9,413,920.71
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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.