Finding the Fourth Proportional to 39,946,782.70, 55,126,571.93 and 22,546,813.87
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Solution
The fourth proportional to 39,946,782.70, 55,126,571.93 and 22,546,813.87 is: 31,114,609.80
Step by Step Solution
- Step 1: Write the proportion equation
39,946,782.70 : 55,126,571.93 = 22,546,813.87 : x - Step 2: Convert to fraction form
39,946,782.70/55,126,571.93 = 22,546,813.87/x - Step 3: Cross multiply
39,946,782.70x = 55,126,571.93 × 22,546,813.87 - Step 4: Simplify right side
39,946,782.70x = 1,242,928,556,459,060.25 - Step 5: Solve for x
x = 1,242,928,556,459,060.25/39,946,782.70 - Step 6: Final answer
x = 31,114,609.80
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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.