Finding the Fourth Proportional to 18,206,898.10, 27,306,847.95 and 5,427,819.70
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Solution
The fourth proportional to 18,206,898.10, 27,306,847.95 and 5,427,819.70 is: 8,140,686.37
Step by Step Solution
- Step 1: Write the proportion equation
18,206,898.10 : 27,306,847.95 = 5,427,819.70 : x - Step 2: Convert to fraction form
18,206,898.10/27,306,847.95 = 5,427,819.70/x - Step 3: Cross multiply
18,206,898.10x = 27,306,847.95 × 5,427,819.70 - Step 4: Simplify right side
18,206,898.10x = 148,216,647,247,914.62 - Step 5: Solve for x
x = 148,216,647,247,914.62/18,206,898.10 - Step 6: Final answer
x = 8,140,686.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.