Finding the Fourth Proportional to 8,521,106.76, 12,781,922.57 and 3,726,327.96
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Solution
The fourth proportional to 8,521,106.76, 12,781,922.57 and 3,726,327.96 is: 5,589,606.70
Step by Step Solution
- Step 1: Write the proportion equation
8,521,106.76 : 12,781,922.57 = 3,726,327.96 : x - Step 2: Convert to fraction form
8,521,106.76/12,781,922.57 = 3,726,327.96/x - Step 3: Cross multiply
8,521,106.76x = 12,781,922.57 × 3,726,327.96 - Step 4: Simplify right side
8,521,106.76x = 47,629,635,455,146.05 - Step 5: Solve for x
x = 47,629,635,455,146.05/8,521,106.76 - Step 6: Final answer
x = 5,589,606.70
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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.