Finding the Fourth Proportional to 27,483,367.74, 37,928,204.55 and 15,261,361.98
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Solution
The fourth proportional to 27,483,367.74, 37,928,204.55 and 15,261,361.98 is: 21,061,322.05
Step by Step Solution
- Step 1: Write the proportion equation
27,483,367.74 : 37,928,204.55 = 15,261,361.98 : x - Step 2: Convert to fraction form
27,483,367.74/37,928,204.55 = 15,261,361.98/x - Step 3: Cross multiply
27,483,367.74x = 37,928,204.55 × 15,261,361.98 - Step 4: Simplify right side
27,483,367.74x = 578,836,058,889,033 - Step 5: Solve for x
x = 578,836,058,889,033/27,483,367.74 - Step 6: Final answer
x = 21,061,322.05
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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.