Finding the Fourth Proportional to 12,268,110.55, 16,929,772.58 and 6,686,407.11
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Solution
The fourth proportional to 12,268,110.55, 16,929,772.58 and 6,686,407.11 is: 9,227,121.92
Step by Step Solution
- Step 1: Write the proportion equation
12,268,110.55 : 16,929,772.58 = 6,686,407.11 : x - Step 2: Convert to fraction form
12,268,110.55/16,929,772.58 = 6,686,407.11/x - Step 3: Cross multiply
12,268,110.55x = 16,929,772.58 × 6,686,407.11 - Step 4: Simplify right side
12,268,110.55x = 113,199,351,716,163.02 - Step 5: Solve for x
x = 113,199,351,716,163.02/12,268,110.55 - Step 6: Final answer
x = 9,227,121.92
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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.