Finding the Fourth Proportional to 7,043,975.10, 10,578,793.05 and 6,162,176.70
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Solution
The fourth proportional to 7,043,975.10, 10,578,793.05 and 6,162,176.70 is: 9,254,489.28
Step by Step Solution
- Step 1: Write the proportion equation
7,043,975.10 : 10,578,793.05 = 6,162,176.70 : x - Step 2: Convert to fraction form
7,043,975.10/10,578,793.05 = 6,162,176.70/x - Step 3: Cross multiply
7,043,975.10x = 10,578,793.05 × 6,162,176.70 - Step 4: Simplify right side
7,043,975.10x = 65,188,392,046,831.95 - Step 5: Solve for x
x = 65,188,392,046,831.95/7,043,975.10 - Step 6: Final answer
x = 9,254,489.28
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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.