Finding the Fourth Proportional to 8,045,298.70, 12,067,948.05 and 6,253,708.30
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Solution
The fourth proportional to 8,045,298.70, 12,067,948.05 and 6,253,708.30 is: 9,380,562.45
Step by Step Solution
- Step 1: Write the proportion equation
8,045,298.70 : 12,067,948.05 = 6,253,708.30 : x - Step 2: Convert to fraction form
8,045,298.70/12,067,948.05 = 6,253,708.30/x - Step 3: Cross multiply
8,045,298.70x = 12,067,948.05 × 6,253,708.30 - Step 4: Simplify right side
8,045,298.70x = 75,469,426,884,253.81 - Step 5: Solve for x
x = 75,469,426,884,253.81/8,045,298.70 - Step 6: Final answer
x = 9,380,562.45
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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.