Finding the Fourth Proportional to 11,086,827.40, 16,642,682.70 and 8,573,624.20
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Solution
The fourth proportional to 11,086,827.40, 16,642,682.70 and 8,573,624.20 is: 12,870,057.59
Step by Step Solution
- Step 1: Write the proportion equation
11,086,827.40 : 16,642,682.70 = 8,573,624.20 : x - Step 2: Convert to fraction form
11,086,827.40/16,642,682.70 = 8,573,624.20/x - Step 3: Cross multiply
11,086,827.40x = 16,642,682.70 × 8,573,624.20 - Step 4: Simplify right side
11,086,827.40x = 142,688,107,149,641.31 - Step 5: Solve for x
x = 142,688,107,149,641.31/11,086,827.40 - Step 6: Final answer
x = 12,870,057.59
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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.