Finding the Fourth Proportional to 7,508,687.26, 10,361,925.92 and 4,246,142.62
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Solution
The fourth proportional to 7,508,687.26, 10,361,925.92 and 4,246,142.62 is: 5,859,641.47
Step by Step Solution
- Step 1: Write the proportion equation
7,508,687.26 : 10,361,925.92 = 4,246,142.62 : x - Step 2: Convert to fraction form
7,508,687.26/10,361,925.92 = 4,246,142.62/x - Step 3: Cross multiply
7,508,687.26x = 10,361,925.92 × 4,246,142.62 - Step 4: Simplify right side
7,508,687.26x = 43,998,215,274,194.71 - Step 5: Solve for x
x = 43,998,215,274,194.71/7,508,687.26 - Step 6: Final answer
x = 5,859,641.47
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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.