Finding the Fourth Proportional to 17,716,097.27, 26,564,529.57 and 7,989,329.60
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Solution
The fourth proportional to 17,716,097.27, 26,564,529.57 and 7,989,329.60 is: 11,979,657.78
Step by Step Solution
- Step 1: Write the proportion equation
17,716,097.27 : 26,564,529.57 = 7,989,329.60 : x - Step 2: Convert to fraction form
17,716,097.27/26,564,529.57 = 7,989,329.60/x - Step 3: Cross multiply
17,716,097.27x = 26,564,529.57 × 7,989,329.60 - Step 4: Simplify right side
17,716,097.27x = 212,232,782,403,676.25 - Step 5: Solve for x
x = 212,232,782,403,676.25/17,716,097.27 - Step 6: Final answer
x = 11,979,657.78
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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.