Finding the Fourth Proportional to 7,966,345.05, 11,949,499.35 and 3,414,442.32
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Solution
The fourth proportional to 7,966,345.05, 11,949,499.35 and 3,414,442.32 is: 5,121,655.67
Step by Step Solution
- Step 1: Write the proportion equation
7,966,345.05 : 11,949,499.35 = 3,414,442.32 : x - Step 2: Convert to fraction form
7,966,345.05/11,949,499.35 = 3,414,442.32/x - Step 3: Cross multiply
7,966,345.05x = 11,949,499.35 × 3,414,442.32 - Step 4: Simplify right side
7,966,345.05x = 40,800,876,283,452.49 - Step 5: Solve for x
x = 40,800,876,283,452.49/7,966,345.05 - Step 6: Final answer
x = 5,121,655.67
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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.