Finding the Fourth Proportional to 19,677,452.56, 27,153,715.28 and 11,416,874.96
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Solution
The fourth proportional to 19,677,452.56, 27,153,715.28 and 11,416,874.96 is: 15,754,609.04
Step by Step Solution
- Step 1: Write the proportion equation
19,677,452.56 : 27,153,715.28 = 11,416,874.96 : x - Step 2: Convert to fraction form
19,677,452.56/27,153,715.28 = 11,416,874.96/x - Step 3: Cross multiply
19,677,452.56x = 27,153,715.28 × 11,416,874.96 - Step 4: Simplify right side
19,677,452.56x = 310,010,572,051,201.44 - Step 5: Solve for x
x = 310,010,572,051,201.44/19,677,452.56 - Step 6: Final answer
x = 15,754,609.04
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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.