Finding the Fourth Proportional to 8,305,489.70, 12,444,820.95 and 4,700,536.10
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Solution
The fourth proportional to 8,305,489.70, 12,444,820.95 and 4,700,536.10 is: 7,043,212.65
Step by Step Solution
- Step 1: Write the proportion equation
8,305,489.70 : 12,444,820.95 = 4,700,536.10 : x - Step 2: Convert to fraction form
8,305,489.70/12,444,820.95 = 4,700,536.10/x - Step 3: Cross multiply
8,305,489.70x = 12,444,820.95 × 4,700,536.10 - Step 4: Simplify right side
8,305,489.70x = 58,497,330,133,511.29 - Step 5: Solve for x
x = 58,497,330,133,511.29/8,305,489.70 - Step 6: Final answer
x = 7,043,212.65
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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.