Finding the Fourth Proportional to 11,387,128.85, 15,714,203.14 and 6,160,135.39
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Solution
The fourth proportional to 11,387,128.85, 15,714,203.14 and 6,160,135.39 is: 8,500,968.08
Step by Step Solution
- Step 1: Write the proportion equation
11,387,128.85 : 15,714,203.14 = 6,160,135.39 : x - Step 2: Convert to fraction form
11,387,128.85/15,714,203.14 = 6,160,135.39/x - Step 3: Cross multiply
11,387,128.85x = 15,714,203.14 × 6,160,135.39 - Step 4: Simplify right side
11,387,128.85x = 96,801,618,856,777.78 - Step 5: Solve for x
x = 96,801,618,856,777.78/11,387,128.85 - Step 6: Final answer
x = 8,500,968.08
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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.