Finding the Fourth Proportional to 20,568,327.12, 30,830,737.89 and 7,606,148.99
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Solution
The fourth proportional to 20,568,327.12, 30,830,737.89 and 7,606,148.99 is: 11,401,179.32
Step by Step Solution
- Step 1: Write the proportion equation
20,568,327.12 : 30,830,737.89 = 7,606,148.99 : x - Step 2: Convert to fraction form
20,568,327.12/30,830,737.89 = 7,606,148.99/x - Step 3: Cross multiply
20,568,327.12x = 30,830,737.89 × 7,606,148.99 - Step 4: Simplify right side
20,568,327.12x = 234,503,185,708,824.56 - Step 5: Solve for x
x = 234,503,185,708,824.56/20,568,327.12 - Step 6: Final answer
x = 11,401,179.32
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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.