Finding the Fourth Proportional to 16,321,968.84, 22,524,316.25 and 8,979,644.46
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Solution
The fourth proportional to 16,321,968.84, 22,524,316.25 and 8,979,644.46 is: 12,391,908.94
Step by Step Solution
- Step 1: Write the proportion equation
16,321,968.84 : 22,524,316.25 = 8,979,644.46 : x - Step 2: Convert to fraction form
16,321,968.84/22,524,316.25 = 8,979,644.46/x - Step 3: Cross multiply
16,321,968.84x = 22,524,316.25 × 8,979,644.46 - Step 4: Simplify right side
16,321,968.84x = 202,260,351,629,600.50 - Step 5: Solve for x
x = 202,260,351,629,600.50/16,321,968.84 - Step 6: Final answer
x = 12,391,908.94
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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.