Finding the Fourth Proportional to 7,565,827.20, 11,347,901.64 and 2,707,938.60
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Solution
The fourth proportional to 7,565,827.20, 11,347,901.64 and 2,707,938.60 is: 4,061,607.55
Step by Step Solution
- Step 1: Write the proportion equation
7,565,827.20 : 11,347,901.64 = 2,707,938.60 : x - Step 2: Convert to fraction form
7,565,827.20/11,347,901.64 = 2,707,938.60/x - Step 3: Cross multiply
7,565,827.20x = 11,347,901.64 × 2,707,938.60 - Step 4: Simplify right side
7,565,827.20x = 30,729,420,879,959.31 - Step 5: Solve for x
x = 30,729,420,879,959.31/7,565,827.20 - Step 6: Final answer
x = 4,061,607.55
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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.