Finding the Fourth Proportional to 18,796,736.19, 28,195,126.29 and 5,149,998.48
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Solution
The fourth proportional to 18,796,736.19, 28,195,126.29 and 5,149,998.48 is: 7,725,003.75
Step by Step Solution
- Step 1: Write the proportion equation
18,796,736.19 : 28,195,126.29 = 5,149,998.48 : x - Step 2: Convert to fraction form
18,796,736.19/28,195,126.29 = 5,149,998.48/x - Step 3: Cross multiply
18,796,736.19x = 28,195,126.29 × 5,149,998.48 - Step 4: Simplify right side
18,796,736.19x = 145,204,857,536,908.06 - Step 5: Solve for x
x = 145,204,857,536,908.06/18,796,736.19 - Step 6: Final answer
x = 7,725,003.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.