Finding the Fourth Proportional to 32,128,273.10, 44,373,521.57 and 21,656,228.19
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Solution
The fourth proportional to 32,128,273.10, 44,373,521.57 and 21,656,228.19 is: 29,910,201.08
Step by Step Solution
- Step 1: Write the proportion equation
32,128,273.10 : 44,373,521.57 = 21,656,228.19 : x - Step 2: Convert to fraction form
32,128,273.10/44,373,521.57 = 21,656,228.19/x - Step 3: Cross multiply
32,128,273.10x = 44,373,521.57 × 21,656,228.19 - Step 4: Simplify right side
32,128,273.10x = 960,963,108,605,525.88 - Step 5: Solve for x
x = 960,963,108,605,525.88/32,128,273.10 - Step 6: Final answer
x = 29,910,201.08
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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.