Finding the Fourth Proportional to 7,260,340.38, 10,018,889.34 and 3,996,517.68
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Solution
The fourth proportional to 7,260,340.38, 10,018,889.34 and 3,996,517.68 is: 5,514,985.01
Step by Step Solution
- Step 1: Write the proportion equation
7,260,340.38 : 10,018,889.34 = 3,996,517.68 : x - Step 2: Convert to fraction form
7,260,340.38/10,018,889.34 = 3,996,517.68/x - Step 3: Cross multiply
7,260,340.38x = 10,018,889.34 × 3,996,517.68 - Step 4: Simplify right side
7,260,340.38x = 40,040,668,381,273.53 - Step 5: Solve for x
x = 40,040,668,381,273.53/7,260,340.38 - Step 6: Final answer
x = 5,514,985.01
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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.