Finding the Fourth Proportional to 8,806,891.20, 13,197,895.20 and 6,514,526.40
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Solution
The fourth proportional to 8,806,891.20, 13,197,895.20 and 6,514,526.40 is: 9,762,586.45
Step by Step Solution
- Step 1: Write the proportion equation
8,806,891.20 : 13,197,895.20 = 6,514,526.40 : x - Step 2: Convert to fraction form
8,806,891.20/13,197,895.20 = 6,514,526.40/x - Step 3: Cross multiply
8,806,891.20x = 13,197,895.20 × 6,514,526.40 - Step 4: Simplify right side
8,806,891.20x = 85,978,036,704,833.28 - Step 5: Solve for x
x = 85,978,036,704,833.28/8,806,891.20 - Step 6: Final answer
x = 9,762,586.45
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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.