Finding the Fourth Proportional to 19,242,161.36, 26,544,115.12 and 11,897,646.72
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Solution
The fourth proportional to 19,242,161.36, 26,544,115.12 and 11,897,646.72 is: 16,412,527.59
Step by Step Solution
- Step 1: Write the proportion equation
19,242,161.36 : 26,544,115.12 = 11,897,646.72 : x - Step 2: Convert to fraction form
19,242,161.36/26,544,115.12 = 11,897,646.72/x - Step 3: Cross multiply
19,242,161.36x = 26,544,115.12 × 11,897,646.72 - Step 4: Simplify right side
19,242,161.36x = 315,812,504,192,770.44 - Step 5: Solve for x
x = 315,812,504,192,770.44/19,242,161.36 - Step 6: Final answer
x = 16,412,527.59
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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.