Finding the Fourth Proportional to 37,657,297.22, 51,967,837.58 and 21,138,612.84
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Solution
The fourth proportional to 37,657,297.22, 51,967,837.58 and 21,138,612.84 is: 29,171,716.50
Step by Step Solution
- Step 1: Write the proportion equation
37,657,297.22 : 51,967,837.58 = 21,138,612.84 : x - Step 2: Convert to fraction form
37,657,297.22/51,967,837.58 = 21,138,612.84/x - Step 3: Cross multiply
37,657,297.22x = 51,967,837.58 × 21,138,612.84 - Step 4: Simplify right side
37,657,297.22x = 1,098,527,998,735,622.50 - Step 5: Solve for x
x = 1,098,527,998,735,622.50/37,657,297.22 - Step 6: Final answer
x = 29,171,716.50
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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.