Finding the Fourth Proportional to 11,442,854.80, 17,192,275.80 and 8,608,502.80
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Solution
The fourth proportional to 11,442,854.80, 17,192,275.80 and 8,608,502.80 is: 12,933,813.89
Step by Step Solution
- Step 1: Write the proportion equation
11,442,854.80 : 17,192,275.80 = 8,608,502.80 : x - Step 2: Convert to fraction form
11,442,854.80/17,192,275.80 = 8,608,502.80/x - Step 3: Cross multiply
11,442,854.80x = 17,192,275.80 × 8,608,502.80 - Step 4: Simplify right side
11,442,854.80x = 147,999,754,362,672.25 - Step 5: Solve for x
x = 147,999,754,362,672.25/11,442,854.80 - Step 6: Final answer
x = 12,933,813.89
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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.