Finding the Fourth Proportional to 7,642,079.14, 10,541,689.77 and 4,775,534.50
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Solution
The fourth proportional to 7,642,079.14, 10,541,689.77 and 4,775,534.50 is: 6,587,500.90
Step by Step Solution
- Step 1: Write the proportion equation
7,642,079.14 : 10,541,689.77 = 4,775,534.50 : x - Step 2: Convert to fraction form
7,642,079.14/10,541,689.77 = 4,775,534.50/x - Step 3: Cross multiply
7,642,079.14x = 10,541,689.77 × 4,775,534.50 - Step 4: Simplify right side
7,642,079.14x = 50,342,203,184,932.06 - Step 5: Solve for x
x = 50,342,203,184,932.06/7,642,079.14 - Step 6: Final answer
x = 6,587,500.90
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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.