Finding the Fourth Proportional to 11,783,137.05, 16,260,474.18 and 6,821,787.63
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Solution
The fourth proportional to 11,783,137.05, 16,260,474.18 and 6,821,787.63 is: 9,413,919.33
Step by Step Solution
- Step 1: Write the proportion equation
11,783,137.05 : 16,260,474.18 = 6,821,787.63 : x - Step 2: Convert to fraction form
11,783,137.05/16,260,474.18 = 6,821,787.63/x - Step 3: Cross multiply
11,783,137.05x = 16,260,474.18 × 6,821,787.63 - Step 4: Simplify right side
11,783,137.05x = 110,925,501,619,058.39 - Step 5: Solve for x
x = 110,925,501,619,058.39/11,783,137.05 - Step 6: Final answer
x = 9,413,919.33
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1.5x scale
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.