Finding the Fourth Proportional to 8,364,305.71, 12,539,151.19 and 3,243,207.39
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Solution
The fourth proportional to 8,364,305.71, 12,539,151.19 and 3,243,207.39 is: 4,861,977.70
Step by Step Solution
- Step 1: Write the proportion equation
8,364,305.71 : 12,539,151.19 = 3,243,207.39 : x - Step 2: Convert to fraction form
8,364,305.71/12,539,151.19 = 3,243,207.39/x - Step 3: Cross multiply
8,364,305.71x = 12,539,151.19 × 3,243,207.39 - Step 4: Simplify right side
8,364,305.71x = 40,667,067,803,735.30 - Step 5: Solve for x
x = 40,667,067,803,735.30/8,364,305.71 - Step 6: Final answer
x = 4,861,977.70
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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.