Finding the Fourth Proportional to 7,518,513.05, 10,375,555.69 and 4,080,754.79
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Solution
The fourth proportional to 7,518,513.05, 10,375,555.69 and 4,080,754.79 is: 5,631,445.78
Step by Step Solution
- Step 1: Write the proportion equation
7,518,513.05 : 10,375,555.69 = 4,080,754.79 : x - Step 2: Convert to fraction form
7,518,513.05/10,375,555.69 = 4,080,754.79/x - Step 3: Cross multiply
7,518,513.05x = 10,375,555.69 × 4,080,754.79 - Step 4: Simplify right side
7,518,513.05x = 42,340,098,611,919.09 - Step 5: Solve for x
x = 42,340,098,611,919.09/7,518,513.05 - Step 6: Final answer
x = 5,631,445.78
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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.