Finding the Fourth Proportional to 36,195,642.24, 49,950,939.84 and 19,898,528.64
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Solution
The fourth proportional to 36,195,642.24, 49,950,939.84 and 19,898,528.64 is: 27,460,493.74
Step by Step Solution
- Step 1: Write the proportion equation
36,195,642.24 : 49,950,939.84 = 19,898,528.64 : x - Step 2: Convert to fraction form
36,195,642.24/49,950,939.84 = 19,898,528.64/x - Step 3: Cross multiply
36,195,642.24x = 49,950,939.84 × 19,898,528.64 - Step 4: Simplify right side
36,195,642.24x = 993,950,207,001,157.12 - Step 5: Solve for x
x = 993,950,207,001,157.12/36,195,642.24 - Step 6: Final answer
x = 27,460,493.74
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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.