Finding the Fourth Proportional to 22,580,093.79, 33,699,501.70 and 20,400,858.99
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Solution
The fourth proportional to 22,580,093.79, 33,699,501.70 and 20,400,858.99 is: 30,447,118.09
Step by Step Solution
- Step 1: Write the proportion equation
22,580,093.79 : 33,699,501.70 = 20,400,858.99 : x - Step 2: Convert to fraction form
22,580,093.79/33,699,501.70 = 20,400,858.99/x - Step 3: Cross multiply
22,580,093.79x = 33,699,501.70 × 20,400,858.99 - Step 4: Simplify right side
22,580,093.79x = 687,498,782,163,963 - Step 5: Solve for x
x = 687,498,782,163,963/22,580,093.79 - Step 6: Final answer
x = 30,447,118.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.