Finding the Fourth Proportional to 13,824,260.25, 19,077,439.64 and 7,629,261.99
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Solution
The fourth proportional to 13,824,260.25, 19,077,439.64 and 7,629,261.99 is: 10,528,359.74
Step by Step Solution
- Step 1: Write the proportion equation
13,824,260.25 : 19,077,439.64 = 7,629,261.99 : x - Step 2: Convert to fraction form
13,824,260.25/19,077,439.64 = 7,629,261.99/x - Step 3: Cross multiply
13,824,260.25x = 19,077,439.64 × 7,629,261.99 - Step 4: Simplify right side
13,824,260.25x = 145,546,785,073,825 - Step 5: Solve for x
x = 145,546,785,073,825/13,824,260.25 - Step 6: Final answer
x = 10,528,359.74
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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.