Finding the Fourth Proportional to 11,534,112.68, 15,916,439.67 and 6,377,134.10
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Solution
The fourth proportional to 11,534,112.68, 15,916,439.67 and 6,377,134.10 is: 8,800,093.51
Step by Step Solution
- Step 1: Write the proportion equation
11,534,112.68 : 15,916,439.67 = 6,377,134.10 : x - Step 2: Convert to fraction form
11,534,112.68/15,916,439.67 = 6,377,134.10/x - Step 3: Cross multiply
11,534,112.68x = 15,916,439.67 × 6,377,134.10 - Step 4: Simplify right side
11,534,112.68x = 101,501,270,170,149.73 - Step 5: Solve for x
x = 101,501,270,170,149.73/11,534,112.68 - Step 6: Final answer
x = 8,800,093.51
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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.