Finding the Fourth Proportional to 7,504,861.60, 10,356,717.88 and 4,067,102.64
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Solution
The fourth proportional to 7,504,861.60, 10,356,717.88 and 4,067,102.64 is: 5,612,606.45
Step by Step Solution
- Step 1: Write the proportion equation
7,504,861.60 : 10,356,717.88 = 4,067,102.64 : x - Step 2: Convert to fraction form
7,504,861.60/10,356,717.88 = 4,067,102.64/x - Step 3: Cross multiply
7,504,861.60x = 10,356,717.88 × 4,067,102.64 - Step 4: Simplify right side
7,504,861.60x = 42,121,834,631,483.21 - Step 5: Solve for x
x = 42,121,834,631,483.21/7,504,861.60 - Step 6: Final answer
x = 5,612,606.45
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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.