Finding the Fourth Proportional to 10,617,350.65, 15,889,431.97 and 6,515,949.26
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Solution
The fourth proportional to 10,617,350.65, 15,889,431.97 and 6,515,949.26 is: 9,751,465.87
Step by Step Solution
- Step 1: Write the proportion equation
10,617,350.65 : 15,889,431.97 = 6,515,949.26 : x - Step 2: Convert to fraction form
10,617,350.65/15,889,431.97 = 6,515,949.26/x - Step 3: Cross multiply
10,617,350.65x = 15,889,431.97 × 6,515,949.26 - Step 4: Simplify right side
10,617,350.65x = 103,534,732,454,162.09 - Step 5: Solve for x
x = 103,534,732,454,162.09/10,617,350.65 - Step 6: Final answer
x = 9,751,465.87
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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.