Finding the Fourth Proportional to 11,276,531.78, 16,912,087.84 and 5,205,432.08
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Solution
The fourth proportional to 11,276,531.78, 16,912,087.84 and 5,205,432.08 is: 7,806,897.22
Step by Step Solution
- Step 1: Write the proportion equation
11,276,531.78 : 16,912,087.84 = 5,205,432.08 : x - Step 2: Convert to fraction form
11,276,531.78/16,912,087.84 = 5,205,432.08/x - Step 3: Cross multiply
11,276,531.78x = 16,912,087.84 × 5,205,432.08 - Step 4: Simplify right side
11,276,531.78x = 88,034,724,582,113.91 - Step 5: Solve for x
x = 88,034,724,582,113.91/11,276,531.78 - Step 6: Final answer
x = 7,806,897.22
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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.