Finding the Fourth Proportional to 8,641,396.48, 12,970,230.34 and 4,384,619.68
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Solution
The fourth proportional to 8,641,396.48, 12,970,230.34 and 4,384,619.68 is: 6,581,057.51
Step by Step Solution
- Step 1: Write the proportion equation
8,641,396.48 : 12,970,230.34 = 4,384,619.68 : x - Step 2: Convert to fraction form
8,641,396.48/12,970,230.34 = 4,384,619.68/x - Step 3: Cross multiply
8,641,396.48x = 12,970,230.34 × 4,384,619.68 - Step 4: Simplify right side
8,641,396.48x = 56,869,527,202,897.09 - Step 5: Solve for x
x = 56,869,527,202,897.09/8,641,396.48 - Step 6: Final answer
x = 6,581,057.51
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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.