Finding the Fourth Proportional to 6,990,417.45, 10,472,192.53 and 4,286,858.99
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Solution
The fourth proportional to 6,990,417.45, 10,472,192.53 and 4,286,858.99 is: 6,422,050.32
Step by Step Solution
- Step 1: Write the proportion equation
6,990,417.45 : 10,472,192.53 = 4,286,858.99 : x - Step 2: Convert to fraction form
6,990,417.45/10,472,192.53 = 4,286,858.99/x - Step 3: Cross multiply
6,990,417.45x = 10,472,192.53 × 4,286,858.99 - Step 4: Simplify right side
6,990,417.45x = 44,892,812,629,163.23 - Step 5: Solve for x
x = 44,892,812,629,163.23/6,990,417.45 - Step 6: Final answer
x = 6,422,050.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.