Finding the Fourth Proportional to 11,188,992.52, 15,440,361.78 and 6,294,311.56
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Solution
The fourth proportional to 11,188,992.52, 15,440,361.78 and 6,294,311.56 is: 8,685,897.99
Step by Step Solution
- Step 1: Write the proportion equation
11,188,992.52 : 15,440,361.78 = 6,294,311.56 : x - Step 2: Convert to fraction form
11,188,992.52/15,440,361.78 = 6,294,311.56/x - Step 3: Cross multiply
11,188,992.52x = 15,440,361.78 × 6,294,311.56 - Step 4: Simplify right side
11,188,992.52x = 97,186,447,642,436.17 - Step 5: Solve for x
x = 97,186,447,642,436.17/11,188,992.52 - Step 6: Final answer
x = 8,685,897.99
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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.