Finding the Fourth Proportional to 18,322,319.43, 25,294,617.27 and 14,126,841.05
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Solution
The fourth proportional to 18,322,319.43, 25,294,617.27 and 14,126,841.05 is: 19,502,609.32
Step by Step Solution
- Step 1: Write the proportion equation
18,322,319.43 : 25,294,617.27 = 14,126,841.05 : x - Step 2: Convert to fraction form
18,322,319.43/25,294,617.27 = 14,126,841.05/x - Step 3: Cross multiply
18,322,319.43x = 25,294,617.27 × 14,126,841.05 - Step 4: Simplify right side
18,322,319.43x = 357,333,037,593,874.94 - Step 5: Solve for x
x = 357,333,037,593,874.94/18,322,319.43 - Step 6: Final answer
x = 19,502,609.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.