Finding the Fourth Proportional to 10,181,780.68, 15,268,668.84 and 3,703,318.12
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Solution
The fourth proportional to 10,181,780.68, 15,268,668.84 and 3,703,318.12 is: 5,553,521.51
Step by Step Solution
- Step 1: Write the proportion equation
10,181,780.68 : 15,268,668.84 = 3,703,318.12 : x - Step 2: Convert to fraction form
10,181,780.68/15,268,668.84 = 3,703,318.12/x - Step 3: Cross multiply
10,181,780.68x = 15,268,668.84 × 3,703,318.12 - Step 4: Simplify right side
10,181,780.68x = 56,544,737,983,451.38 - Step 5: Solve for x
x = 56,544,737,983,451.38/10,181,780.68 - Step 6: Final answer
x = 5,553,521.51
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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.