Finding the Fourth Proportional to 11,639,571.96, 16,063,862.17 and 6,413,105.55
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Solution
The fourth proportional to 11,639,571.96, 16,063,862.17 and 6,413,105.55 is: 8,850,775.96
Step by Step Solution
- Step 1: Write the proportion equation
11,639,571.96 : 16,063,862.17 = 6,413,105.55 : x - Step 2: Convert to fraction form
11,639,571.96/16,063,862.17 = 6,413,105.55/x - Step 3: Cross multiply
11,639,571.96x = 16,063,862.17 × 6,413,105.55 - Step 4: Simplify right side
11,639,571.96x = 103,019,243,636,862.05 - Step 5: Solve for x
x = 103,019,243,636,862.05/11,639,571.96 - Step 6: Final answer
x = 8,850,775.96
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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.