Finding the Fourth Proportional to 18,138,243.34, 27,197,917.17 and 6,769,342.54
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Solution
The fourth proportional to 18,138,243.34, 27,197,917.17 and 6,769,342.54 is: 10,150,487.80
Step by Step Solution
- Step 1: Write the proportion equation
18,138,243.34 : 27,197,917.17 = 6,769,342.54 : x - Step 2: Convert to fraction form
18,138,243.34/27,197,917.17 = 6,769,342.54/x - Step 3: Cross multiply
18,138,243.34x = 27,197,917.17 × 6,769,342.54 - Step 4: Simplify right side
18,138,243.34x = 184,112,017,698,277.44 - Step 5: Solve for x
x = 184,112,017,698,277.44/18,138,243.34 - Step 6: Final answer
x = 10,150,487.80
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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.