Finding the Fourth Proportional to 18,349,305.13, 27,505,777.16 and 8,616,495.44
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Solution
The fourth proportional to 18,349,305.13, 27,505,777.16 and 8,616,495.44 is: 12,916,205.92
Step by Step Solution
- Step 1: Write the proportion equation
18,349,305.13 : 27,505,777.16 = 8,616,495.44 : x - Step 2: Convert to fraction form
18,349,305.13/27,505,777.16 = 8,616,495.44/x - Step 3: Cross multiply
18,349,305.13x = 27,505,777.16 × 8,616,495.44 - Step 4: Simplify right side
18,349,305.13x = 237,003,403,429,713.66 - Step 5: Solve for x
x = 237,003,403,429,713.66/18,349,305.13 - Step 6: Final answer
x = 12,916,205.92
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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.