Finding the Fourth Proportional to 16,331,882.76, 22,538,079.36 and 8,990,454.24
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Solution
The fourth proportional to 16,331,882.76, 22,538,079.36 and 8,990,454.24 is: 12,406,871.52
Step by Step Solution
- Step 1: Write the proportion equation
16,331,882.76 : 22,538,079.36 = 8,990,454.24 : x - Step 2: Convert to fraction form
16,331,882.76/22,538,079.36 = 8,990,454.24/x - Step 3: Cross multiply
16,331,882.76x = 22,538,079.36 × 8,990,454.24 - Step 4: Simplify right side
16,331,882.76x = 202,627,571,143,568.50 - Step 5: Solve for x
x = 202,627,571,143,568.50/16,331,882.76 - Step 6: Final answer
x = 12,406,871.52
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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.