Finding the Fourth Proportional to 8,857,707.84, 13,286,561.94 and 2,126,121.84
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Solution
The fourth proportional to 8,857,707.84, 13,286,561.94 and 2,126,121.84 is: 3,189,182.80
Step by Step Solution
- Step 1: Write the proportion equation
8,857,707.84 : 13,286,561.94 = 2,126,121.84 : x - Step 2: Convert to fraction form
8,857,707.84/13,286,561.94 = 2,126,121.84/x - Step 3: Cross multiply
8,857,707.84x = 13,286,561.94 × 2,126,121.84 - Step 4: Simplify right side
8,857,707.84x = 28,248,849,508,516.16 - Step 5: Solve for x
x = 28,248,849,508,516.16/8,857,707.84 - Step 6: Final answer
x = 3,189,182.80
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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.