Finding the Fourth Proportional to 8,721,866.68, 13,081,769.64 and 2,332,614.20
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Solution
The fourth proportional to 8,721,866.68, 13,081,769.64 and 2,332,614.20 is: 3,498,645.73
Step by Step Solution
- Step 1: Write the proportion equation
8,721,866.68 : 13,081,769.64 = 2,332,614.20 : x - Step 2: Convert to fraction form
8,721,866.68/13,081,769.64 = 2,332,614.20/x - Step 3: Cross multiply
8,721,866.68x = 13,081,769.64 × 2,332,614.20 - Step 4: Simplify right side
8,721,866.68x = 30,514,721,623,392.89 - Step 5: Solve for x
x = 30,514,721,623,392.89/8,721,866.68 - Step 6: Final answer
x = 3,498,645.73
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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.