Finding the Fourth Proportional to 16,057,172.14, 22,158,918.30 and 8,715,004.44
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Solution
The fourth proportional to 16,057,172.14, 22,158,918.30 and 8,715,004.44 is: 12,026,717.39
Step by Step Solution
- Step 1: Write the proportion equation
16,057,172.14 : 22,158,918.30 = 8,715,004.44 : x - Step 2: Convert to fraction form
16,057,172.14/22,158,918.30 = 8,715,004.44/x - Step 3: Cross multiply
16,057,172.14x = 22,158,918.30 × 8,715,004.44 - Step 4: Simplify right side
16,057,172.14x = 193,115,071,370,097.25 - Step 5: Solve for x
x = 193,115,071,370,097.25/16,057,172.14 - Step 6: Final answer
x = 12,026,717.39
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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.