Finding the Fourth Proportional to 10,179,728.68, 15,269,458.56 and 2,503,439.68
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Solution
The fourth proportional to 10,179,728.68, 15,269,458.56 and 2,503,439.68 is: 3,755,126.45
Step by Step Solution
- Step 1: Write the proportion equation
10,179,728.68 : 15,269,458.56 = 2,503,439.68 : x - Step 2: Convert to fraction form
10,179,728.68/15,269,458.56 = 2,503,439.68/x - Step 3: Cross multiply
10,179,728.68x = 15,269,458.56 × 2,503,439.68 - Step 4: Simplify right side
10,179,728.68x = 38,226,168,451,219.66 - Step 5: Solve for x
x = 38,226,168,451,219.66/10,179,728.68 - Step 6: Final answer
x = 3,755,126.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.