Finding the Fourth Proportional to 32,128,285.08, 44,373,538.12 and 21,656,240.16
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Solution
The fourth proportional to 32,128,285.08, 44,373,538.12 and 21,656,240.16 is: 29,910,217.61
Step by Step Solution
- Step 1: Write the proportion equation
32,128,285.08 : 44,373,538.12 = 21,656,240.16 : x - Step 2: Convert to fraction form
32,128,285.08/44,373,538.12 = 21,656,240.16/x - Step 3: Cross multiply
32,128,285.08x = 44,373,538.12 × 21,656,240.16 - Step 4: Simplify right side
32,128,285.08x = 960,963,998,275,634.88 - Step 5: Solve for x
x = 960,963,998,275,634.88/32,128,285.08 - Step 6: Final answer
x = 29,910,217.61
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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.