Finding the Fourth Proportional to 7,332,754.92, 10,999,088.64 and 3,988,219.56
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Solution
The fourth proportional to 7,332,754.92, 10,999,088.64 and 3,988,219.56 is: 5,982,305.55
Step by Step Solution
- Step 1: Write the proportion equation
7,332,754.92 : 10,999,088.64 = 3,988,219.56 : x - Step 2: Convert to fraction form
7,332,754.92/10,999,088.64 = 3,988,219.56/x - Step 3: Cross multiply
7,332,754.92x = 10,999,088.64 × 3,988,219.56 - Step 4: Simplify right side
7,332,754.92x = 43,866,780,456,221.80 - Step 5: Solve for x
x = 43,866,780,456,221.80/7,332,754.92 - Step 6: Final answer
x = 5,982,305.55
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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.