Finding the Fourth Proportional to 10,887,161.16, 15,024,163.64 and 5,992,278.14
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Solution
The fourth proportional to 10,887,161.16, 15,024,163.64 and 5,992,278.14 is: 8,269,278.47
Step by Step Solution
- Step 1: Write the proportion equation
10,887,161.16 : 15,024,163.64 = 5,992,278.14 : x - Step 2: Convert to fraction form
10,887,161.16/15,024,163.64 = 5,992,278.14/x - Step 3: Cross multiply
10,887,161.16x = 15,024,163.64 × 5,992,278.14 - Step 4: Simplify right side
10,887,161.16x = 90,028,967,359,353.84 - Step 5: Solve for x
x = 90,028,967,359,353.84/10,887,161.16 - Step 6: Final answer
x = 8,269,278.47
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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.