Finding the Fourth Proportional to 8,857,712.36, 13,286,568.71 and 2,126,126.36
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Solution
The fourth proportional to 8,857,712.36, 13,286,568.71 and 2,126,126.36 is: 3,189,189.58
Step by Step Solution
- Step 1: Write the proportion equation
8,857,712.36 : 13,286,568.71 = 2,126,126.36 : x - Step 2: Convert to fraction form
8,857,712.36/13,286,568.71 = 2,126,126.36/x - Step 3: Cross multiply
8,857,712.36x = 13,286,568.71 × 2,126,126.36 - Step 4: Simplify right side
8,857,712.36x = 28,248,924,006,813.93 - Step 5: Solve for x
x = 28,248,924,006,813.93/8,857,712.36 - Step 6: Final answer
x = 3,189,189.58
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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.