Finding the Fourth Proportional to 10,901,188.75, 15,043,981.26 and 6,255,823.63
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Solution
The fourth proportional to 10,901,188.75, 15,043,981.26 and 6,255,823.63 is: 8,633,232.17
Step by Step Solution
- Step 1: Write the proportion equation
10,901,188.75 : 15,043,981.26 = 6,255,823.63 : x - Step 2: Convert to fraction form
10,901,188.75/15,043,981.26 = 6,255,823.63/x - Step 3: Cross multiply
10,901,188.75x = 15,043,981.26 × 6,255,823.63 - Step 4: Simplify right side
10,901,188.75x = 94,112,493,455,585.17 - Step 5: Solve for x
x = 94,112,493,455,585.17/10,901,188.75 - Step 6: Final answer
x = 8,633,232.17
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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.