Finding the Fourth Proportional to 8,311,149.37, 12,474,387.56 and 4,215,345.05
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Solution
The fourth proportional to 8,311,149.37, 12,474,387.56 and 4,215,345.05 is: 6,326,904.44
Step by Step Solution
- Step 1: Write the proportion equation
8,311,149.37 : 12,474,387.56 = 4,215,345.05 : x - Step 2: Convert to fraction form
8,311,149.37/12,474,387.56 = 4,215,345.05/x - Step 3: Cross multiply
8,311,149.37x = 12,474,387.56 × 4,215,345.05 - Step 4: Simplify right side
8,311,149.37x = 52,583,847,852,827.58 - Step 5: Solve for x
x = 52,583,847,852,827.58/8,311,149.37 - Step 6: Final answer
x = 6,326,904.44
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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.