Finding the Fourth Proportional to 8,172,113.44, 12,253,914.42 and 3,050,331.97
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Solution
The fourth proportional to 8,172,113.44, 12,253,914.42 and 3,050,331.97 is: 4,573,909.45
Step by Step Solution
- Step 1: Write the proportion equation
8,172,113.44 : 12,253,914.42 = 3,050,331.97 : x - Step 2: Convert to fraction form
8,172,113.44/12,253,914.42 = 3,050,331.97/x - Step 3: Cross multiply
8,172,113.44x = 12,253,914.42 × 3,050,331.97 - Step 4: Simplify right side
8,172,113.44x = 37,378,506,912,970.01 - Step 5: Solve for x
x = 37,378,506,912,970.01/8,172,113.44 - Step 6: Final answer
x = 4,573,909.45
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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.