Finding the Fourth Proportional to 7,330,818.36, 10,996,263.90 and 3,015,221.88
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Solution
The fourth proportional to 7,330,818.36, 10,996,263.90 and 3,015,221.88 is: 4,522,847.78
Step by Step Solution
- Step 1: Write the proportion equation
7,330,818.36 : 10,996,263.90 = 3,015,221.88 : x - Step 2: Convert to fraction form
7,330,818.36/10,996,263.90 = 3,015,221.88/x - Step 3: Cross multiply
7,330,818.36x = 10,996,263.90 × 3,015,221.88 - Step 4: Simplify right side
7,330,818.36x = 33,156,175,509,534.13 - Step 5: Solve for x
x = 33,156,175,509,534.13/7,330,818.36 - Step 6: Final answer
x = 4,522,847.78
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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.