Finding the Fourth Proportional to 12,229,366.05, 16,876,739.73 and 6,722,972.97
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Solution
The fourth proportional to 12,229,366.05, 16,876,739.73 and 6,722,972.97 is: 9,277,820.66
Step by Step Solution
- Step 1: Write the proportion equation
12,229,366.05 : 16,876,739.73 = 6,722,972.97 : x - Step 2: Convert to fraction form
12,229,366.05/16,876,739.73 = 6,722,972.97/x - Step 3: Cross multiply
12,229,366.05x = 16,876,739.73 × 6,722,972.97 - Step 4: Simplify right side
12,229,366.05x = 113,461,865,026,515.09 - Step 5: Solve for x
x = 113,461,865,026,515.09/12,229,366.05 - Step 6: Final answer
x = 9,277,820.66
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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.