Finding the Fourth Proportional to 11,495,958.40, 17,237,716.80 and 4,765,052.80
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Solution
The fourth proportional to 11,495,958.40, 17,237,716.80 and 4,765,052.80 is: 7,145,000.69
Step by Step Solution
- Step 1: Write the proportion equation
11,495,958.40 : 17,237,716.80 = 4,765,052.80 : x - Step 2: Convert to fraction form
11,495,958.40/17,237,716.80 = 4,765,052.80/x - Step 3: Cross multiply
11,495,958.40x = 17,237,716.80 × 4,765,052.80 - Step 4: Simplify right side
11,495,958.40x = 82,138,630,703,447.05 - Step 5: Solve for x
x = 82,138,630,703,447.05/11,495,958.40 - Step 6: Final answer
x = 7,145,000.69
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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.