Finding the Fourth Proportional to 33,831,782.49, 46,687,905.99 and 18,361,867.35
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Solution
The fourth proportional to 33,831,782.49, 46,687,905.99 and 18,361,867.35 is: 25,339,401.99
Step by Step Solution
- Step 1: Write the proportion equation
33,831,782.49 : 46,687,905.99 = 18,361,867.35 : x - Step 2: Convert to fraction form
33,831,782.49/46,687,905.99 = 18,361,867.35/x - Step 3: Cross multiply
33,831,782.49x = 46,687,905.99 × 18,361,867.35 - Step 4: Simplify right side
33,831,782.49x = 857,277,136,637,650.50 - Step 5: Solve for x
x = 857,277,136,637,650.50/33,831,782.49 - Step 6: Final answer
x = 25,339,401.99
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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.