Finding the Fourth Proportional to 16,318,047.26, 22,519,440.60 and 8,976,444.09
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Solution
The fourth proportional to 16,318,047.26, 22,519,440.60 and 8,976,444.09 is: 12,387,787.35
Step by Step Solution
- Step 1: Write the proportion equation
16,318,047.26 : 22,519,440.60 = 8,976,444.09 : x - Step 2: Convert to fraction form
16,318,047.26/22,519,440.60 = 8,976,444.09/x - Step 3: Cross multiply
16,318,047.26x = 22,519,440.60 × 8,976,444.09 - Step 4: Simplify right side
16,318,047.26x = 202,144,499,483,976.06 - Step 5: Solve for x
x = 202,144,499,483,976.06/16,318,047.26 - Step 6: Final answer
x = 12,387,787.35
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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.