Finding the Fourth Proportional to 18,079,939.84, 24,939,893.76 and 10,832,396.80
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Solution
The fourth proportional to 18,079,939.84, 24,939,893.76 and 10,832,396.80 is: 14,942,462.63
Step by Step Solution
- Step 1: Write the proportion equation
18,079,939.84 : 24,939,893.76 = 10,832,396.80 : x - Step 2: Convert to fraction form
18,079,939.84/24,939,893.76 = 10,832,396.80/x - Step 3: Cross multiply
18,079,939.84x = 24,939,893.76 × 10,832,396.80 - Step 4: Simplify right side
18,079,939.84x = 270,158,825,358,164 - Step 5: Solve for x
x = 270,158,825,358,164/18,079,939.84 - Step 6: Final answer
x = 14,942,462.63
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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.