Finding the Fourth Proportional to 8,920,572.48, 13,380,316.80 and 3,163,591.68
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Solution
The fourth proportional to 8,920,572.48, 13,380,316.80 and 3,163,591.68 is: 4,745,195.33
Step by Step Solution
- Step 1: Write the proportion equation
8,920,572.48 : 13,380,316.80 = 3,163,591.68 : x - Step 2: Convert to fraction form
8,920,572.48/13,380,316.80 = 3,163,591.68/x - Step 3: Cross multiply
8,920,572.48x = 13,380,316.80 × 3,163,591.68 - Step 4: Simplify right side
8,920,572.48x = 42,329,858,904,244.23 - Step 5: Solve for x
x = 42,329,858,904,244.23/8,920,572.48 - Step 6: Final answer
x = 4,745,195.33
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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.