Finding the Fourth Proportional to 16,638,791.28, 24,941,653.20 and 11,579,472.96
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Solution
The fourth proportional to 16,638,791.28, 24,941,653.20 and 11,579,472.96 is: 17,357,703.09
Step by Step Solution
- Step 1: Write the proportion equation
16,638,791.28 : 24,941,653.20 = 11,579,472.96 : x - Step 2: Convert to fraction form
16,638,791.28/24,941,653.20 = 11,579,472.96/x - Step 3: Cross multiply
16,638,791.28x = 24,941,653.20 × 11,579,472.96 - Step 4: Simplify right side
16,638,791.28x = 288,811,198,807,097.50 - Step 5: Solve for x
x = 288,811,198,807,097.50/16,638,791.28 - Step 6: Final answer
x = 17,357,703.09
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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.