Finding the Fourth Proportional to 10,569,942.70, 14,586,272.84 and 6,219,310.80
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Solution
The fourth proportional to 10,569,942.70, 14,586,272.84 and 6,219,310.80 is: 8,582,502.93
Step by Step Solution
- Step 1: Write the proportion equation
10,569,942.70 : 14,586,272.84 = 6,219,310.80 : x - Step 2: Convert to fraction form
10,569,942.70/14,586,272.84 = 6,219,310.80/x - Step 3: Cross multiply
10,569,942.70x = 14,586,272.84 × 6,219,310.80 - Step 4: Simplify right side
10,569,942.70x = 90,716,564,193,757.67 - Step 5: Solve for x
x = 90,716,564,193,757.67/10,569,942.70 - Step 6: Final answer
x = 8,582,502.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.