Finding the Fourth Proportional to 16,982,528.48, 23,436,270.36 and 9,639,669.92
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Solution
The fourth proportional to 16,982,528.48, 23,436,270.36 and 9,639,669.92 is: 13,302,960.79
Step by Step Solution
- Step 1: Write the proportion equation
16,982,528.48 : 23,436,270.36 = 9,639,669.92 : x - Step 2: Convert to fraction form
16,982,528.48/23,436,270.36 = 9,639,669.92/x - Step 3: Cross multiply
16,982,528.48x = 23,436,270.36 × 9,639,669.92 - Step 4: Simplify right side
16,982,528.48x = 225,917,910,426,279.56 - Step 5: Solve for x
x = 225,917,910,426,279.56/16,982,528.48 - Step 6: Final answer
x = 13,302,960.79
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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.