Finding the Fourth Proportional to 7,675,026.15, 11,512,381.12 and 2,557,827.66
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Solution
The fourth proportional to 7,675,026.15, 11,512,381.12 and 2,557,827.66 is: 3,836,688.80
Step by Step Solution
- Step 1: Write the proportion equation
7,675,026.15 : 11,512,381.12 = 2,557,827.66 : x - Step 2: Convert to fraction form
7,675,026.15/11,512,381.12 = 2,557,827.66/x - Step 3: Cross multiply
7,675,026.15x = 11,512,381.12 × 2,557,827.66 - Step 4: Simplify right side
7,675,026.15x = 29,446,686,861,197.78 - Step 5: Solve for x
x = 29,446,686,861,197.78/7,675,026.15 - Step 6: Final answer
x = 3,836,688.80
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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.