Finding the Fourth Proportional to 8,353,979.28, 12,534,541.43 and 3,497,420.16
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Solution
The fourth proportional to 8,353,979.28, 12,534,541.43 and 3,497,420.16 is: 5,247,625.88
Step by Step Solution
- Step 1: Write the proportion equation
8,353,979.28 : 12,534,541.43 = 3,497,420.16 : x - Step 2: Convert to fraction form
8,353,979.28/12,534,541.43 = 3,497,420.16/x - Step 3: Cross multiply
8,353,979.28x = 12,534,541.43 × 3,497,420.16 - Step 4: Simplify right side
8,353,979.28x = 43,838,557,876,150.13 - Step 5: Solve for x
x = 43,838,557,876,150.13/8,353,979.28 - Step 6: Final answer
x = 5,247,625.88
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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.