Finding the Fourth Proportional to 7,993,248.12, 11,029,992.30 and 4,508,394.84
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Solution
The fourth proportional to 7,993,248.12, 11,029,992.30 and 4,508,394.84 is: 6,221,195.64
Step by Step Solution
- Step 1: Write the proportion equation
7,993,248.12 : 11,029,992.30 = 4,508,394.84 : x - Step 2: Convert to fraction form
7,993,248.12/11,029,992.30 = 4,508,394.84/x - Step 3: Cross multiply
7,993,248.12x = 11,029,992.30 × 4,508,394.84 - Step 4: Simplify right side
7,993,248.12x = 49,727,560,370,559.73 - Step 5: Solve for x
x = 49,727,560,370,559.73/7,993,248.12 - Step 6: Final answer
x = 6,221,195.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.