Finding the Fourth Proportional to 8,430,497.82, 12,645,779.94 and 2,040,739.92
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Solution
The fourth proportional to 8,430,497.82, 12,645,779.94 and 2,040,739.92 is: 3,061,117.92
Step by Step Solution
- Step 1: Write the proportion equation
8,430,497.82 : 12,645,779.94 = 2,040,739.92 : x - Step 2: Convert to fraction form
8,430,497.82/12,645,779.94 = 2,040,739.92/x - Step 3: Cross multiply
8,430,497.82x = 12,645,779.94 × 2,040,739.92 - Step 4: Simplify right side
8,430,497.82x = 25,806,747,943,093.20 - Step 5: Solve for x
x = 25,806,747,943,093.20/8,430,497.82 - Step 6: Final answer
x = 3,061,117.92
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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.