Finding the Fourth Proportional to 17,332,609.43, 23,918,964.46 and 9,990,392.99
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Solution
The fourth proportional to 17,332,609.43, 23,918,964.46 and 9,990,392.99 is: 13,786,721.25
Step by Step Solution
- Step 1: Write the proportion equation
17,332,609.43 : 23,918,964.46 = 9,990,392.99 : x - Step 2: Convert to fraction form
17,332,609.43/23,918,964.46 = 9,990,392.99/x - Step 3: Cross multiply
17,332,609.43x = 23,918,964.46 × 9,990,392.99 - Step 4: Simplify right side
17,332,609.43x = 238,959,854,724,672.31 - Step 5: Solve for x
x = 238,959,854,724,672.31/17,332,609.43 - Step 6: Final answer
x = 13,786,721.25
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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.