Finding the Fourth Proportional to 18,521,268.23, 27,782,952.10 and 5,743,589.51
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Solution
The fourth proportional to 18,521,268.23, 27,782,952.10 and 5,743,589.51 is: 8,615,709.80
Step by Step Solution
- Step 1: Write the proportion equation
18,521,268.23 : 27,782,952.10 = 5,743,589.51 : x - Step 2: Convert to fraction form
18,521,268.23/27,782,952.10 = 5,743,589.51/x - Step 3: Cross multiply
18,521,268.23x = 27,782,952.10 × 5,743,589.51 - Step 4: Simplify right side
18,521,268.23x = 159,573,872,085,118.75 - Step 5: Solve for x
x = 159,573,872,085,118.75/18,521,268.23 - Step 6: Final answer
x = 8,615,709.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.