Finding the Fourth Proportional to 33,831,777.99, 46,687,899.78 and 18,361,862.85
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Solution
The fourth proportional to 33,831,777.99, 46,687,899.78 and 18,361,862.85 is: 25,339,395.78
Step by Step Solution
- Step 1: Write the proportion equation
33,831,777.99 : 46,687,899.78 = 18,361,862.85 : x - Step 2: Convert to fraction form
33,831,777.99/46,687,899.78 = 18,361,862.85/x - Step 3: Cross multiply
33,831,777.99x = 46,687,899.78 × 18,361,862.85 - Step 4: Simplify right side
33,831,777.99x = 857,276,812,514,905.25 - Step 5: Solve for x
x = 857,276,812,514,905.25/33,831,777.99 - Step 6: Final answer
x = 25,339,395.78
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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.