Finding the Fourth Proportional to 12,138,368.15, 18,207,132.26 and 3,040,544.14
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Solution
The fourth proportional to 12,138,368.15, 18,207,132.26 and 3,040,544.14 is: 4,560,711.01
Step by Step Solution
- Step 1: Write the proportion equation
12,138,368.15 : 18,207,132.26 = 3,040,544.14 : x - Step 2: Convert to fraction form
12,138,368.15/18,207,132.26 = 3,040,544.14/x - Step 3: Cross multiply
12,138,368.15x = 18,207,132.26 × 3,040,544.14 - Step 4: Simplify right side
12,138,368.15x = 55,359,589,299,347.96 - Step 5: Solve for x
x = 55,359,589,299,347.96/12,138,368.15 - Step 6: Final answer
x = 4,560,711.01
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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.