Finding the Fourth Proportional to 17,678,789.80, 24,396,484.92 and 9,943,837.36
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Solution
The fourth proportional to 17,678,789.80, 24,396,484.92 and 9,943,837.36 is: 13,722,357.75
Step by Step Solution
- Step 1: Write the proportion equation
17,678,789.80 : 24,396,484.92 = 9,943,837.36 : x - Step 2: Convert to fraction form
17,678,789.80/24,396,484.92 = 9,943,837.36/x - Step 3: Cross multiply
17,678,789.80x = 24,396,484.92 × 9,943,837.36 - Step 4: Simplify right side
17,678,789.80x = 242,594,678,200,172.62 - Step 5: Solve for x
x = 242,594,678,200,172.62/17,678,789.80 - Step 6: Final answer
x = 13,722,357.75
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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.