Finding the Fourth Proportional to 11,243,063.28, 15,515,424 and 6,086,420.96
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Solution
The fourth proportional to 11,243,063.28, 15,515,424 and 6,086,420.96 is: 8,399,259.12
Step by Step Solution
- Step 1: Write the proportion equation
11,243,063.28 : 15,515,424 = 6,086,420.96 : x - Step 2: Convert to fraction form
11,243,063.28/15,515,424 = 6,086,420.96/x - Step 3: Cross multiply
11,243,063.28x = 15,515,424 × 6,086,420.96 - Step 4: Simplify right side
11,243,063.28x = 94,433,401,836,887.05 - Step 5: Solve for x
x = 94,433,401,836,887.05/11,243,063.28 - Step 6: Final answer
x = 8,399,259.12
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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.