Finding the Fourth Proportional to 10,715,755.24, 14,800,563.32 and 7,810,486.12
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Solution
The fourth proportional to 10,715,755.24, 14,800,563.32 and 7,810,486.12 is: 10,787,815.86
Step by Step Solution
- Step 1: Write the proportion equation
10,715,755.24 : 14,800,563.32 = 7,810,486.12 : x - Step 2: Convert to fraction form
10,715,755.24/14,800,563.32 = 7,810,486.12/x - Step 3: Cross multiply
10,715,755.24x = 14,800,563.32 × 7,810,486.12 - Step 4: Simplify right side
10,715,755.24x = 115,599,594,379,041.12 - Step 5: Solve for x
x = 115,599,594,379,041.12/10,715,755.24 - Step 6: Final answer
x = 10,787,815.86
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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.