Finding the Fourth Proportional to 11,766,672.81, 16,239,525.27 and 6,611,030.91
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Solution
The fourth proportional to 11,766,672.81, 16,239,525.27 and 6,611,030.91 is: 9,124,074.86
Step by Step Solution
- Step 1: Write the proportion equation
11,766,672.81 : 16,239,525.27 = 6,611,030.91 : x - Step 2: Convert to fraction form
11,766,672.81/16,239,525.27 = 6,611,030.91/x - Step 3: Cross multiply
11,766,672.81x = 16,239,525.27 × 6,611,030.91 - Step 4: Simplify right side
11,766,672.81x = 107,360,003,523,696.09 - Step 5: Solve for x
x = 107,360,003,523,696.09/11,766,672.81 - Step 6: Final answer
x = 9,124,074.86
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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.