Finding the Fourth Proportional to 16,451,818.20, 22,706,272.50 and 9,580,351.68
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Solution
The fourth proportional to 16,451,818.20, 22,706,272.50 and 9,580,351.68 is: 13,222,494.51
Step by Step Solution
- Step 1: Write the proportion equation
16,451,818.20 : 22,706,272.50 = 9,580,351.68 : x - Step 2: Convert to fraction form
16,451,818.20/22,706,272.50 = 9,580,351.68/x - Step 3: Cross multiply
16,451,818.20x = 22,706,272.50 × 9,580,351.68 - Step 4: Simplify right side
16,451,818.20x = 217,534,075,891,912.78 - Step 5: Solve for x
x = 217,534,075,891,912.78/16,451,818.20 - Step 6: Final answer
x = 13,222,494.51
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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.