Finding the Fourth Proportional to 10,586,869.68, 15,881,879.16 and 4,907,668.08
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Solution
The fourth proportional to 10,586,869.68, 15,881,879.16 and 4,907,668.08 is: 7,362,232.06
Step by Step Solution
- Step 1: Write the proportion equation
10,586,869.68 : 15,881,879.16 = 4,907,668.08 : x - Step 2: Convert to fraction form
10,586,869.68/15,881,879.16 = 4,907,668.08/x - Step 3: Cross multiply
10,586,869.68x = 15,881,879.16 × 4,907,668.08 - Step 4: Simplify right side
10,586,869.68x = 77,942,991,403,949.22 - Step 5: Solve for x
x = 77,942,991,403,949.22/10,586,869.68 - Step 6: Final answer
x = 7,362,232.06
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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.