Finding the Fourth Proportional to 8,130,581.40, 11,219,406.64 and 4,867,324.68
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Solution
The fourth proportional to 8,130,581.40, 11,219,406.64 and 4,867,324.68 is: 6,716,431.72
Step by Step Solution
- Step 1: Write the proportion equation
8,130,581.40 : 11,219,406.64 = 4,867,324.68 : x - Step 2: Convert to fraction form
8,130,581.40/11,219,406.64 = 4,867,324.68/x - Step 3: Cross multiply
8,130,581.40x = 11,219,406.64 × 4,867,324.68 - Step 4: Simplify right side
8,130,581.40x = 54,608,494,833,827.88 - Step 5: Solve for x
x = 54,608,494,833,827.88/8,130,581.40 - Step 6: Final answer
x = 6,716,431.72
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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.