Finding the Fourth Proportional to 18,186,249.09, 27,255,753.83 and 7,390,987.46
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Solution
The fourth proportional to 18,186,249.09, 27,255,753.83 and 7,390,987.46 is: 11,076,881.98
Step by Step Solution
- Step 1: Write the proportion equation
18,186,249.09 : 27,255,753.83 = 7,390,987.46 : x - Step 2: Convert to fraction form
18,186,249.09/27,255,753.83 = 7,390,987.46/x - Step 3: Cross multiply
18,186,249.09x = 27,255,753.83 × 7,390,987.46 - Step 4: Simplify right side
18,186,249.09x = 201,446,934,770,376.97 - Step 5: Solve for x
x = 201,446,934,770,376.97/18,186,249.09 - Step 6: Final answer
x = 11,076,881.98
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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.