Finding the Fourth Proportional to 18,535,191.48, 27,807,418.08 and 13,080,935.82
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Solution
The fourth proportional to 18,535,191.48, 27,807,418.08 and 13,080,935.82 is: 19,624,671.89
Step by Step Solution
- Step 1: Write the proportion equation
18,535,191.48 : 27,807,418.08 = 13,080,935.82 : x - Step 2: Convert to fraction form
18,535,191.48/27,807,418.08 = 13,080,935.82/x - Step 3: Cross multiply
18,535,191.48x = 27,807,418.08 × 13,080,935.82 - Step 4: Simplify right side
18,535,191.48x = 363,747,051,224,387.62 - Step 5: Solve for x
x = 363,747,051,224,387.62/18,535,191.48 - Step 6: Final answer
x = 19,624,671.89
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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.