Finding the Fourth Proportional to 18,953,891.11, 28,430,919.99 and 6,000,105.43
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Solution
The fourth proportional to 18,953,891.11, 28,430,919.99 and 6,000,105.43 is: 9,000,184.52
Step by Step Solution
- Step 1: Write the proportion equation
18,953,891.11 : 28,430,919.99 = 6,000,105.43 : x - Step 2: Convert to fraction form
18,953,891.11/28,430,919.99 = 6,000,105.43/x - Step 3: Cross multiply
18,953,891.11x = 28,430,919.99 × 6,000,105.43 - Step 4: Simplify right side
18,953,891.11x = 170,588,517,411,894.53 - Step 5: Solve for x
x = 170,588,517,411,894.53/18,953,891.11 - Step 6: Final answer
x = 9,000,184.52
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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.