Finding the Fourth Proportional to 8,470,185.99, 11,688,847.80 and 4,602,697.94
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Solution
The fourth proportional to 8,470,185.99, 11,688,847.80 and 4,602,697.94 is: 6,351,718.33
Step by Step Solution
- Step 1: Write the proportion equation
8,470,185.99 : 11,688,847.80 = 4,602,697.94 : x - Step 2: Convert to fraction form
8,470,185.99/11,688,847.80 = 4,602,697.94/x - Step 3: Cross multiply
8,470,185.99x = 11,688,847.80 × 4,602,697.94 - Step 4: Simplify right side
8,470,185.99x = 53,800,235,631,589.29 - Step 5: Solve for x
x = 53,800,235,631,589.29/8,470,185.99 - Step 6: Final answer
x = 6,351,718.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.