Finding the Fourth Proportional to 7,913,398.40, 11,863,896.57 and 3,124,672.10
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Solution
The fourth proportional to 7,913,398.40, 11,863,896.57 and 3,124,672.10 is: 4,684,559.62
Step by Step Solution
- Step 1: Write the proportion equation
7,913,398.40 : 11,863,896.57 = 3,124,672.10 : x - Step 2: Convert to fraction form
7,913,398.40/11,863,896.57 = 3,124,672.10/x - Step 3: Cross multiply
7,913,398.40x = 11,863,896.57 × 3,124,672.10 - Step 4: Simplify right side
7,913,398.40x = 37,070,786,550,245.22 - Step 5: Solve for x
x = 37,070,786,550,245.22/7,913,398.40 - Step 6: Final answer
x = 4,684,559.62
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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.