Finding the Fourth Proportional to 18,372,492.77, 27,554,628.93 and 5,415,879.18
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Solution
The fourth proportional to 18,372,492.77, 27,554,628.93 and 5,415,879.18 is: 8,122,607.15
Step by Step Solution
- Step 1: Write the proportion equation
18,372,492.77 : 27,554,628.93 = 5,415,879.18 : x - Step 2: Convert to fraction form
18,372,492.77/27,554,628.93 = 5,415,879.18/x - Step 3: Cross multiply
18,372,492.77x = 27,554,628.93 × 5,415,879.18 - Step 4: Simplify right side
18,372,492.77x = 149,232,541,134,612.66 - Step 5: Solve for x
x = 149,232,541,134,612.66/18,372,492.77 - Step 6: Final answer
x = 8,122,607.15
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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.