Finding the Fourth Proportional to 40,811,905.49, 56,317,845.85 and 22,477,190.99
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Solution
The fourth proportional to 40,811,905.49, 56,317,845.85 and 22,477,190.99 is: 31,017,100.57
Step by Step Solution
- Step 1: Write the proportion equation
40,811,905.49 : 56,317,845.85 = 22,477,190.99 : x - Step 2: Convert to fraction form
40,811,905.49/56,317,845.85 = 22,477,190.99/x - Step 3: Cross multiply
40,811,905.49x = 56,317,845.85 × 22,477,190.99 - Step 4: Simplify right side
40,811,905.49x = 1,265,866,976,978,046.50 - Step 5: Solve for x
x = 1,265,866,976,978,046.50/40,811,905.49 - Step 6: Final answer
x = 31,017,100.57
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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.