Finding the Fourth Proportional to 15,269,770.12, 22,904,057.40 and 5,172,391.12
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Solution
The fourth proportional to 15,269,770.12, 22,904,057.40 and 5,172,391.12 is: 7,758,384.19
Step by Step Solution
- Step 1: Write the proportion equation
15,269,770.12 : 22,904,057.40 = 5,172,391.12 : x - Step 2: Convert to fraction form
15,269,770.12/22,904,057.40 = 5,172,391.12/x - Step 3: Cross multiply
15,269,770.12x = 22,904,057.40 × 5,172,391.12 - Step 4: Simplify right side
15,269,770.12x = 118,468,743,107,730.28 - Step 5: Solve for x
x = 118,468,743,107,730.28/15,269,770.12 - Step 6: Final answer
x = 7,758,384.19
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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.