Finding the Fourth Proportional to 39,831,752.52, 54,969,514.94 and 22,190,645.07
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Solution
The fourth proportional to 39,831,752.52, 54,969,514.94 and 22,190,645.07 is: 30,624,035.31
Step by Step Solution
- Step 1: Write the proportion equation
39,831,752.52 : 54,969,514.94 = 22,190,645.07 : x - Step 2: Convert to fraction form
39,831,752.52/54,969,514.94 = 22,190,645.07/x - Step 3: Cross multiply
39,831,752.52x = 54,969,514.94 × 22,190,645.07 - Step 4: Simplify right side
39,831,752.52x = 1,219,808,995,592,649.25 - Step 5: Solve for x
x = 1,219,808,995,592,649.25/39,831,752.52 - Step 6: Final answer
x = 30,624,035.31
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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.