Finding the Fourth Proportional to 7,260,341.88, 10,018,891.41 and 3,996,519.18
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Solution
The fourth proportional to 7,260,341.88, 10,018,891.41 and 3,996,519.18 is: 5,514,987.08
Step by Step Solution
- Step 1: Write the proportion equation
7,260,341.88 : 10,018,891.41 = 3,996,519.18 : x - Step 2: Convert to fraction form
7,260,341.88/10,018,891.41 = 3,996,519.18/x - Step 3: Cross multiply
7,260,341.88x = 10,018,891.41 × 3,996,519.18 - Step 4: Simplify right side
7,260,341.88x = 40,040,691,682,402.24 - Step 5: Solve for x
x = 40,040,691,682,402.24/7,260,341.88 - Step 6: Final answer
x = 5,514,987.08
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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.