Finding the Fourth Proportional to 7,518,583.08, 10,375,366.68 and 4,080,750.30
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Solution
The fourth proportional to 7,518,583.08, 10,375,366.68 and 4,080,750.30 is: 5,631,284.54
Step by Step Solution
- Step 1: Write the proportion equation
7,518,583.08 : 10,375,366.68 = 4,080,750.30 : x - Step 2: Convert to fraction form
7,518,583.08/10,375,366.68 = 4,080,750.30/x - Step 3: Cross multiply
7,518,583.08x = 10,375,366.68 × 4,080,750.30 - Step 4: Simplify right side
7,518,583.08x = 42,339,280,692,020 - Step 5: Solve for x
x = 42,339,280,692,020/7,518,583.08 - Step 6: Final answer
x = 5,631,284.54
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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.