Finding the Fourth Proportional to 10,702,387.20, 16,079,795.20 and 8,048,179.20
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Solution
The fourth proportional to 10,702,387.20, 16,079,795.20 and 8,048,179.20 is: 12,091,981.99
Step by Step Solution
- Step 1: Write the proportion equation
10,702,387.20 : 16,079,795.20 = 8,048,179.20 : x - Step 2: Convert to fraction form
10,702,387.20/16,079,795.20 = 8,048,179.20/x - Step 3: Cross multiply
10,702,387.20x = 16,079,795.20 × 8,048,179.20 - Step 4: Simplify right side
10,702,387.20x = 129,413,073,268,899.84 - Step 5: Solve for x
x = 129,413,073,268,899.84/10,702,387.20 - Step 6: Final answer
x = 12,091,981.99
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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.