Finding the Fourth Proportional to 16,214,715.50, 22,376,809.31 and 8,872,858.08
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Solution
The fourth proportional to 16,214,715.50, 22,376,809.31 and 8,872,858.08 is: 12,244,818.81
Step by Step Solution
- Step 1: Write the proportion equation
16,214,715.50 : 22,376,809.31 = 8,872,858.08 : x - Step 2: Convert to fraction form
16,214,715.50/22,376,809.31 = 8,872,858.08/x - Step 3: Cross multiply
16,214,715.50x = 22,376,809.31 × 8,872,858.08 - Step 4: Simplify right side
16,214,715.50x = 198,546,253,246,488.44 - Step 5: Solve for x
x = 198,546,253,246,488.44/16,214,715.50 - Step 6: Final answer
x = 12,244,818.81
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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.