Finding the Fourth Proportional to 10,352,087.96, 14,286,944.40 and 6,223,455.68
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Solution
The fourth proportional to 10,352,087.96, 14,286,944.40 and 6,223,455.68 is: 8,589,007.90
Step by Step Solution
- Step 1: Write the proportion equation
10,352,087.96 : 14,286,944.40 = 6,223,455.68 : x - Step 2: Convert to fraction form
10,352,087.96/14,286,944.40 = 6,223,455.68/x - Step 3: Cross multiply
10,352,087.96x = 14,286,944.40 × 6,223,455.68 - Step 4: Simplify right side
10,352,087.96x = 88,914,165,276,024.19 - Step 5: Solve for x
x = 88,914,165,276,024.19/10,352,087.96 - Step 6: Final answer
x = 8,589,007.90
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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.