Finding the Fourth Proportional to 8,364,378.08, 12,547,315.56 and 3,246,687.92
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Solution
The fourth proportional to 8,364,378.08, 12,547,315.56 and 3,246,687.92 is: 4,870,322.39
Step by Step Solution
- Step 1: Write the proportion equation
8,364,378.08 : 12,547,315.56 = 3,246,687.92 : x - Step 2: Convert to fraction form
8,364,378.08/12,547,315.56 = 3,246,687.92/x - Step 3: Cross multiply
8,364,378.08x = 12,547,315.56 × 3,246,687.92 - Step 4: Simplify right side
8,364,378.08x = 40,737,217,857,080.04 - Step 5: Solve for x
x = 40,737,217,857,080.04/8,364,378.08 - Step 6: Final answer
x = 4,870,322.39
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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.