Finding the Fourth Proportional to 32,881,468.25, 45,376,512.36 and 18,198,147.08
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Solution
The fourth proportional to 32,881,468.25, 45,376,512.36 and 18,198,147.08 is: 25,113,490.66
Step by Step Solution
- Step 1: Write the proportion equation
32,881,468.25 : 45,376,512.36 = 18,198,147.08 : x - Step 2: Convert to fraction form
32,881,468.25/45,376,512.36 = 18,198,147.08/x - Step 3: Cross multiply
32,881,468.25x = 45,376,512.36 × 18,198,147.08 - Step 4: Simplify right side
32,881,468.25x = 825,768,445,949,916.12 - Step 5: Solve for x
x = 825,768,445,949,916.12/32,881,468.25 - Step 6: Final answer
x = 25,113,490.66
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1.5x scale
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.