Finding the Fourth Proportional to 29,380,996.07, 40,533,197.48 and 18,348,592.56
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Solution
The fourth proportional to 29,380,996.07, 40,533,197.48 and 18,348,592.56 is: 25,313,203.27
Step by Step Solution
- Step 1: Write the proportion equation
29,380,996.07 : 40,533,197.48 = 18,348,592.56 : x - Step 2: Convert to fraction form
29,380,996.07/40,533,197.48 = 18,348,592.56/x - Step 3: Cross multiply
29,380,996.07x = 40,533,197.48 × 18,348,592.56 - Step 4: Simplify right side
29,380,996.07x = 743,727,125,714,538.62 - Step 5: Solve for x
x = 743,727,125,714,538.62/29,380,996.07 - Step 6: Final answer
x = 25,313,203.27
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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.