Finding the Fourth Proportional to 8,651,673.09, 12,985,309.95 and 4,611,525.93
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Solution
The fourth proportional to 8,651,673.09, 12,985,309.95 and 4,611,525.93 is: 6,921,446.63
Step by Step Solution
- Step 1: Write the proportion equation
8,651,673.09 : 12,985,309.95 = 4,611,525.93 : x - Step 2: Convert to fraction form
8,651,673.09/12,985,309.95 = 4,611,525.93/x - Step 3: Cross multiply
8,651,673.09x = 12,985,309.95 × 4,611,525.93 - Step 4: Simplify right side
8,651,673.09x = 59,882,093,543,512 - Step 5: Solve for x
x = 59,882,093,543,512/8,651,673.09 - Step 6: Final answer
x = 6,921,446.63
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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.