Finding the Fourth Proportional to 13,145,561.80, 19,718,342.70 and 6,067,673.80
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Solution
The fourth proportional to 13,145,561.80, 19,718,342.70 and 6,067,673.80 is: 9,101,510.70
Step by Step Solution
- Step 1: Write the proportion equation
13,145,561.80 : 19,718,342.70 = 6,067,673.80 : x - Step 2: Convert to fraction form
13,145,561.80/19,718,342.70 = 6,067,673.80/x - Step 3: Cross multiply
13,145,561.80x = 19,718,342.70 × 6,067,673.80 - Step 4: Simplify right side
13,145,561.80x = 119,644,471,380,211.25 - Step 5: Solve for x
x = 119,644,471,380,211.25/13,145,561.80 - Step 6: Final answer
x = 9,101,510.70
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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.