Finding the Fourth Proportional to 18,286,694.34, 25,235,349.28 and 10,026,824.54
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Solution
The fourth proportional to 18,286,694.34, 25,235,349.28 and 10,026,824.54 is: 13,836,859.45
Step by Step Solution
- Step 1: Write the proportion equation
18,286,694.34 : 25,235,349.28 = 10,026,824.54 : x - Step 2: Convert to fraction form
18,286,694.34/25,235,349.28 = 10,026,824.54/x - Step 3: Cross multiply
18,286,694.34x = 25,235,349.28 × 10,026,824.54 - Step 4: Simplify right side
18,286,694.34x = 253,030,419,436,175.31 - Step 5: Solve for x
x = 253,030,419,436,175.31/18,286,694.34 - Step 6: Final answer
x = 13,836,859.45
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1.5x scale
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.