Finding the Fourth Proportional to 8,816,742.05, 12,167,507.79 and 4,896,516.05
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Solution
The fourth proportional to 8,816,742.05, 12,167,507.79 and 4,896,516.05 is: 6,757,416.38
Step by Step Solution
- Step 1: Write the proportion equation
8,816,742.05 : 12,167,507.79 = 4,896,516.05 : x - Step 2: Convert to fraction form
8,816,742.05/12,167,507.79 = 4,896,516.05/x - Step 3: Cross multiply
8,816,742.05x = 12,167,507.79 × 4,896,516.05 - Step 4: Simplify right side
8,816,742.05x = 59,578,397,121,397.48 - Step 5: Solve for x
x = 59,578,397,121,397.48/8,816,742.05 - Step 6: Final answer
x = 6,757,416.38
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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.