Finding the Fourth Proportional to 18,138,287.52, 27,197,983.26 and 6,769,386.72
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Solution
The fourth proportional to 18,138,287.52, 27,197,983.26 and 6,769,386.72 is: 10,150,553.99
Step by Step Solution
- Step 1: Write the proportion equation
18,138,287.52 : 27,197,983.26 = 6,769,386.72 : x - Step 2: Convert to fraction form
18,138,287.52/27,197,983.26 = 6,769,386.72/x - Step 3: Cross multiply
18,138,287.52x = 27,197,983.26 × 6,769,386.72 - Step 4: Simplify right side
18,138,287.52x = 184,113,666,691,026.31 - Step 5: Solve for x
x = 184,113,666,691,026.31/18,138,287.52 - Step 6: Final answer
x = 10,150,553.99
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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.