Finding the Fourth Proportional to 8,499,660.32, 11,729,947.10 and 4,779,662.09
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Solution
The fourth proportional to 8,499,660.32, 11,729,947.10 and 4,779,662.09 is: 6,596,167.54
Step by Step Solution
- Step 1: Write the proportion equation
8,499,660.32 : 11,729,947.10 = 4,779,662.09 : x - Step 2: Convert to fraction form
8,499,660.32/11,729,947.10 = 4,779,662.09/x - Step 3: Cross multiply
8,499,660.32x = 11,729,947.10 × 4,779,662.09 - Step 4: Simplify right side
8,499,660.32x = 56,065,183,471,575.44 - Step 5: Solve for x
x = 56,065,183,471,575.44/8,499,660.32 - Step 6: Final answer
x = 6,596,167.54
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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.