Finding the Fourth Proportional to 16,025,550.57, 22,115,336.79 and 8,683,381.77
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Solution
The fourth proportional to 16,025,550.57, 22,115,336.79 and 8,683,381.77 is: 11,983,108.57
Step by Step Solution
- Step 1: Write the proportion equation
16,025,550.57 : 22,115,336.79 = 8,683,381.77 : x - Step 2: Convert to fraction form
16,025,550.57/22,115,336.79 = 8,683,381.77/x - Step 3: Cross multiply
16,025,550.57x = 22,115,336.79 × 8,683,381.77 - Step 4: Simplify right side
16,025,550.57x = 192,035,912,319,696.31 - Step 5: Solve for x
x = 192,035,912,319,696.31/16,025,550.57 - Step 6: Final answer
x = 11,983,108.57
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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.