Finding the Fourth Proportional to 14,371,757.83, 21,557,637.61 and 11,479,583.49
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Solution
The fourth proportional to 14,371,757.83, 21,557,637.61 and 11,479,583.49 is: 17,219,375.92
Step by Step Solution
- Step 1: Write the proportion equation
14,371,757.83 : 21,557,637.61 = 11,479,583.49 : x - Step 2: Convert to fraction form
14,371,757.83/21,557,637.61 = 11,479,583.49/x - Step 3: Cross multiply
14,371,757.83x = 21,557,637.61 × 11,479,583.49 - Step 4: Simplify right side
14,371,757.83x = 247,472,700,681,618.97 - Step 5: Solve for x
x = 247,472,700,681,618.97/14,371,757.83 - Step 6: Final answer
x = 17,219,375.92
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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.