Finding the Fourth Proportional to 18,604,611.67, 27,932,576.14 and 12,833,660.63
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Solution
The fourth proportional to 18,604,611.67, 27,932,576.14 and 12,833,660.63 is: 19,268,190.55
Step by Step Solution
- Step 1: Write the proportion equation
18,604,611.67 : 27,932,576.14 = 12,833,660.63 : x - Step 2: Convert to fraction form
18,604,611.67/27,932,576.14 = 12,833,660.63/x - Step 3: Cross multiply
18,604,611.67x = 27,932,576.14 × 12,833,660.63 - Step 4: Simplify right side
18,604,611.67x = 358,477,202,702,395.38 - Step 5: Solve for x
x = 358,477,202,702,395.38/18,604,611.67 - Step 6: Final answer
x = 19,268,190.55
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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.