Finding the Fourth Proportional to 8,688,535.74, 11,990,261.97 and 4,821,416.73
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Solution
The fourth proportional to 8,688,535.74, 11,990,261.97 and 4,821,416.73 is: 6,653,600.95
Step by Step Solution
- Step 1: Write the proportion equation
8,688,535.74 : 11,990,261.97 = 4,821,416.73 : x - Step 2: Convert to fraction form
8,688,535.74/11,990,261.97 = 4,821,416.73/x - Step 3: Cross multiply
8,688,535.74x = 11,990,261.97 × 4,821,416.73 - Step 4: Simplify right side
8,688,535.74x = 57,810,049,659,240.77 - Step 5: Solve for x
x = 57,810,049,659,240.77/8,688,535.74 - Step 6: Final answer
x = 6,653,600.95
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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.