Finding the Fourth Proportional to 7,909,235.84, 10,914,600.96 and 4,471,477.92
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Solution
The fourth proportional to 7,909,235.84, 10,914,600.96 and 4,471,477.92 is: 6,170,557.84
Step by Step Solution
- Step 1: Write the proportion equation
7,909,235.84 : 10,914,600.96 = 4,471,477.92 : x - Step 2: Convert to fraction form
7,909,235.84/10,914,600.96 = 4,471,477.92/x - Step 3: Cross multiply
7,909,235.84x = 10,914,600.96 × 4,471,477.92 - Step 4: Simplify right side
7,909,235.84x = 48,804,397,198,250.80 - Step 5: Solve for x
x = 48,804,397,198,250.80/7,909,235.84 - Step 6: Final answer
x = 6,170,557.84
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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.