Finding the Fourth Proportional to 15,512,726.62, 21,409,890.11 and 11,785,424.14
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Solution
The fourth proportional to 15,512,726.62, 21,409,890.11 and 11,785,424.14 is: 16,265,653.48
Step by Step Solution
- Step 1: Write the proportion equation
15,512,726.62 : 21,409,890.11 = 11,785,424.14 : x - Step 2: Convert to fraction form
15,512,726.62/21,409,890.11 = 11,785,424.14/x - Step 3: Cross multiply
15,512,726.62x = 21,409,890.11 × 11,785,424.14 - Step 4: Simplify right side
15,512,726.62x = 252,324,635,737,141.25 - Step 5: Solve for x
x = 252,324,635,737,141.25/15,512,726.62 - Step 6: Final answer
x = 16,265,653.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.