Finding the Fourth Proportional to 10,639,043.20, 15,963,202.05 and 3,727,480.87
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Solution
The fourth proportional to 10,639,043.20, 15,963,202.05 and 3,727,480.87 is: 5,592,846.01
Step by Step Solution
- Step 1: Write the proportion equation
10,639,043.20 : 15,963,202.05 = 3,727,480.87 : x - Step 2: Convert to fraction form
10,639,043.20/15,963,202.05 = 3,727,480.87/x - Step 3: Cross multiply
10,639,043.20x = 15,963,202.05 × 3,727,480.87 - Step 4: Simplify right side
10,639,043.20x = 59,502,530,265,319.79 - Step 5: Solve for x
x = 59,502,530,265,319.79/10,639,043.20 - Step 6: Final answer
x = 5,592,846.01
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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.