Finding the Fourth Proportional to 11,387,128.48, 15,714,202.62 and 6,160,135.01
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Solution
The fourth proportional to 11,387,128.48, 15,714,202.62 and 6,160,135.01 is: 8,500,967.56
Step by Step Solution
- Step 1: Write the proportion equation
11,387,128.48 : 15,714,202.62 = 6,160,135.01 : x - Step 2: Convert to fraction form
11,387,128.48/15,714,202.62 = 6,160,135.01/x - Step 3: Cross multiply
11,387,128.48x = 15,714,202.62 × 6,160,135.01 - Step 4: Simplify right side
11,387,128.48x = 96,801,609,752,981.23 - Step 5: Solve for x
x = 96,801,609,752,981.23/11,387,128.48 - Step 6: Final answer
x = 8,500,967.56
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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.