Finding the Fourth Proportional to 10,745,898.20, 16,118,847.30 and 10,115,523.80
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Solution
The fourth proportional to 10,745,898.20, 16,118,847.30 and 10,115,523.80 is: 15,173,285.70
Step by Step Solution
- Step 1: Write the proportion equation
10,745,898.20 : 16,118,847.30 = 10,115,523.80 : x - Step 2: Convert to fraction form
10,745,898.20/16,118,847.30 = 10,115,523.80/x - Step 3: Cross multiply
10,745,898.20x = 16,118,847.30 × 10,115,523.80 - Step 4: Simplify right side
10,745,898.20x = 163,050,583,491,715.75 - Step 5: Solve for x
x = 163,050,583,491,715.75/10,745,898.20 - Step 6: Final answer
x = 15,173,285.70
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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.