Finding the Fourth Proportional to 7,508,272.80, 11,262,409.20 and 4,095,240.60
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Solution
The fourth proportional to 7,508,272.80, 11,262,409.20 and 4,095,240.60 is: 6,142,860.90
Step by Step Solution
- Step 1: Write the proportion equation
7,508,272.80 : 11,262,409.20 = 4,095,240.60 : x - Step 2: Convert to fraction form
7,508,272.80/11,262,409.20 = 4,095,240.60/x - Step 3: Cross multiply
7,508,272.80x = 11,262,409.20 × 4,095,240.60 - Step 4: Simplify right side
7,508,272.80x = 46,122,275,409,653.52 - Step 5: Solve for x
x = 46,122,275,409,653.52/7,508,272.80 - Step 6: Final answer
x = 6,142,860.90
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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.