Finding the Fourth Proportional to 11,274,915.11, 15,559,424.75 and 6,118,277.72
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Solution
The fourth proportional to 11,274,915.11, 15,559,424.75 and 6,118,277.72 is: 8,443,245.99
Step by Step Solution
- Step 1: Write the proportion equation
11,274,915.11 : 15,559,424.75 = 6,118,277.72 : x - Step 2: Convert to fraction form
11,274,915.11/15,559,424.75 = 6,118,277.72/x - Step 3: Cross multiply
11,274,915.11x = 15,559,424.75 × 6,118,277.72 - Step 4: Simplify right side
11,274,915.11x = 95,196,881,753,350.17 - Step 5: Solve for x
x = 95,196,881,753,350.17/11,274,915.11 - Step 6: Final answer
x = 8,443,245.99
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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.