Finding the Fourth Proportional to 16,001,435.64, 22,081,810.44 and 8,659,108.08
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Solution
The fourth proportional to 16,001,435.64, 22,081,810.44 and 8,659,108.08 is: 11,949,476.75
Step by Step Solution
- Step 1: Write the proportion equation
16,001,435.64 : 22,081,810.44 = 8,659,108.08 : x - Step 2: Convert to fraction form
16,001,435.64/22,081,810.44 = 8,659,108.08/x - Step 3: Cross multiply
16,001,435.64x = 22,081,810.44 × 8,659,108.08 - Step 4: Simplify right side
16,001,435.64x = 191,208,783,202,032.38 - Step 5: Solve for x
x = 191,208,783,202,032.38/16,001,435.64 - Step 6: Final answer
x = 11,949,476.75
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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.