Finding the Fourth Proportional to 16,157,523.92, 22,299,343.08 and 11,804,431.64
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Solution
The fourth proportional to 16,157,523.92, 22,299,343.08 and 11,804,431.64 is: 16,291,547.66
Step by Step Solution
- Step 1: Write the proportion equation
16,157,523.92 : 22,299,343.08 = 11,804,431.64 : x - Step 2: Convert to fraction form
16,157,523.92/22,299,343.08 = 11,804,431.64/x - Step 3: Cross multiply
16,157,523.92x = 22,299,343.08 × 11,804,431.64 - Step 4: Simplify right side
16,157,523.92x = 263,231,071,004,767.03 - Step 5: Solve for x
x = 263,231,071,004,767.03/16,157,523.92 - Step 6: Final answer
x = 16,291,547.66
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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.