Finding the Fourth Proportional to 7,783,517.70, 11,675,275.92 and 3,944,742.21
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Solution
The fourth proportional to 7,783,517.70, 11,675,275.92 and 3,944,742.21 is: 5,917,113.00
Step by Step Solution
- Step 1: Write the proportion equation
7,783,517.70 : 11,675,275.92 = 3,944,742.21 : x - Step 2: Convert to fraction form
7,783,517.70/11,675,275.92 = 3,944,742.21/x - Step 3: Cross multiply
7,783,517.70x = 11,675,275.92 × 3,944,742.21 - Step 4: Simplify right side
7,783,517.70x = 46,055,953,735,020.59 - Step 5: Solve for x
x = 46,055,953,735,020.59/7,783,517.70 - Step 6: Final answer
x = 5,917,113.00
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1.5x scale
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.