Finding the Fourth Proportional to 10,011,757.91, 13,816,517.36 and 5,660,750.79
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Solution
The fourth proportional to 10,011,757.91, 13,816,517.36 and 5,660,750.79 is: 7,812,000.88
Step by Step Solution
- Step 1: Write the proportion equation
10,011,757.91 : 13,816,517.36 = 5,660,750.79 : x - Step 2: Convert to fraction form
10,011,757.91/13,816,517.36 = 5,660,750.79/x - Step 3: Cross multiply
10,011,757.91x = 13,816,517.36 × 5,660,750.79 - Step 4: Simplify right side
10,011,757.91x = 78,211,861,574,820.59 - Step 5: Solve for x
x = 78,211,861,574,820.59/10,011,757.91 - Step 6: Final answer
x = 7,812,000.88
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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.