Finding the Fourth Proportional to 35,131,496.56, 48,486,556.80 and 20,243,924.08
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Solution
The fourth proportional to 35,131,496.56, 48,486,556.80 and 20,243,924.08 is: 27,939,549.15
Step by Step Solution
- Step 1: Write the proportion equation
35,131,496.56 : 48,486,556.80 = 20,243,924.08 : x - Step 2: Convert to fraction form
35,131,496.56/48,486,556.80 = 20,243,924.08/x - Step 3: Cross multiply
35,131,496.56x = 48,486,556.80 × 20,243,924.08 - Step 4: Simplify right side
35,131,496.56x = 981,558,174,759,807.62 - Step 5: Solve for x
x = 981,558,174,759,807.62/35,131,496.56 - Step 6: Final answer
x = 27,939,549.15
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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.