Finding the Fourth Proportional to 36,178,327.27, 49,926,406.96 and 19,658,451.79
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Solution
The fourth proportional to 36,178,327.27, 49,926,406.96 and 19,658,451.79 is: 27,128,834.81
Step by Step Solution
- Step 1: Write the proportion equation
36,178,327.27 : 49,926,406.96 = 19,658,451.79 : x - Step 2: Convert to fraction form
36,178,327.27/49,926,406.96 = 19,658,451.79/x - Step 3: Cross multiply
36,178,327.27x = 49,926,406.96 × 19,658,451.79 - Step 4: Simplify right side
36,178,327.27x = 981,475,864,271,080.38 - Step 5: Solve for x
x = 981,475,864,271,080.38/36,178,327.27 - Step 6: Final answer
x = 27,128,834.81
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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.