Finding the Fourth Proportional to 19,190,443.70, 28,790,647.95 and 5,727,273.14
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Solution
The fourth proportional to 19,190,443.70, 28,790,647.95 and 5,727,273.14 is: 8,592,396.68
Step by Step Solution
- Step 1: Write the proportion equation
19,190,443.70 : 28,790,647.95 = 5,727,273.14 : x - Step 2: Convert to fraction form
19,190,443.70/28,790,647.95 = 5,727,273.14/x - Step 3: Cross multiply
19,190,443.70x = 28,790,647.95 × 5,727,273.14 - Step 4: Simplify right side
19,190,443.70x = 164,891,904,687,231.06 - Step 5: Solve for x
x = 164,891,904,687,231.06/19,190,443.70 - Step 6: Final answer
x = 8,592,396.68
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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.