Finding the Fourth Proportional to 16,939,512.92, 23,376,675.84 and 9,204,555.08
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Solution
The fourth proportional to 16,939,512.92, 23,376,675.84 and 9,204,555.08 is: 12,702,366.44
Step by Step Solution
- Step 1: Write the proportion equation
16,939,512.92 : 23,376,675.84 = 9,204,555.08 : x - Step 2: Convert to fraction form
16,939,512.92/23,376,675.84 = 9,204,555.08/x - Step 3: Cross multiply
16,939,512.92x = 23,376,675.84 × 9,204,555.08 - Step 4: Simplify right side
16,939,512.92x = 215,171,900,356,585.28 - Step 5: Solve for x
x = 215,171,900,356,585.28/16,939,512.92 - Step 6: Final answer
x = 12,702,366.44
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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.