Finding the Fourth Proportional to 10,289,439.92, 15,434,765.76 and 3,465,442.64
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Solution
The fourth proportional to 10,289,439.92, 15,434,765.76 and 3,465,442.64 is: 5,198,368.02
Step by Step Solution
- Step 1: Write the proportion equation
10,289,439.92 : 15,434,765.76 = 3,465,442.64 : x - Step 2: Convert to fraction form
10,289,439.92/15,434,765.76 = 3,465,442.64/x - Step 3: Cross multiply
10,289,439.92x = 15,434,765.76 × 3,465,442.64 - Step 4: Simplify right side
10,289,439.92x = 53,488,295,403,116.01 - Step 5: Solve for x
x = 53,488,295,403,116.01/10,289,439.92 - Step 6: Final answer
x = 5,198,368.02
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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.