Finding the Fourth Proportional to 8,031,273.29, 12,042,382.74 and 2,638,475.81
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Solution
The fourth proportional to 8,031,273.29, 12,042,382.74 and 2,638,475.81 is: 3,956,226.42
Step by Step Solution
- Step 1: Write the proportion equation
8,031,273.29 : 12,042,382.74 = 2,638,475.81 : x - Step 2: Convert to fraction form
8,031,273.29/12,042,382.74 = 2,638,475.81/x - Step 3: Cross multiply
8,031,273.29x = 12,042,382.74 × 2,638,475.81 - Step 4: Simplify right side
8,031,273.29x = 31,773,535,554,251.52 - Step 5: Solve for x
x = 31,773,535,554,251.52/8,031,273.29 - Step 6: Final answer
x = 3,956,226.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.