Finding the Fourth Proportional to 8,873,971.94, 13,275,934.92 and 6,721,198.49
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Solution
The fourth proportional to 8,873,971.94, 13,275,934.92 and 6,721,198.49 is: 10,055,271.12
Step by Step Solution
- Step 1: Write the proportion equation
8,873,971.94 : 13,275,934.92 = 6,721,198.49 : x - Step 2: Convert to fraction form
8,873,971.94/13,275,934.92 = 6,721,198.49/x - Step 3: Cross multiply
8,873,971.94x = 13,275,934.92 × 6,721,198.49 - Step 4: Simplify right side
8,873,971.94x = 89,230,193,737,642.27 - Step 5: Solve for x
x = 89,230,193,737,642.27/8,873,971.94 - Step 6: Final answer
x = 10,055,271.12
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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.