Finding the Fourth Proportional to 10,887,652.65, 15,024,841.43 and 5,992,770.09
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Solution
The fourth proportional to 10,887,652.65, 15,024,841.43 and 5,992,770.09 is: 8,269,957.10
Step by Step Solution
- Step 1: Write the proportion equation
10,887,652.65 : 15,024,841.43 = 5,992,770.09 : x - Step 2: Convert to fraction form
10,887,652.65/15,024,841.43 = 5,992,770.09/x - Step 3: Cross multiply
10,887,652.65x = 15,024,841.43 × 5,992,770.09 - Step 4: Simplify right side
10,887,652.65x = 90,040,420,298,732.98 - Step 5: Solve for x
x = 90,040,420,298,732.98/10,887,652.65 - Step 6: Final answer
x = 8,269,957.10
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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.