Finding the Fourth Proportional to 11,275,740.12, 15,560,635.50 and 6,119,146.20
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Solution
The fourth proportional to 11,275,740.12, 15,560,635.50 and 6,119,146.20 is: 8,444,483.69
Step by Step Solution
- Step 1: Write the proportion equation
11,275,740.12 : 15,560,635.50 = 6,119,146.20 : x - Step 2: Convert to fraction form
11,275,740.12/15,560,635.50 = 6,119,146.20/x - Step 3: Cross multiply
11,275,740.12x = 15,560,635.50 × 6,119,146.20 - Step 4: Simplify right side
11,275,740.12x = 95,217,803,589,410.11 - Step 5: Solve for x
x = 95,217,803,589,410.11/11,275,740.12 - Step 6: Final answer
x = 8,444,483.69
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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.