Finding the Fourth Proportional to 11,415,731.81, 17,120,977.40 and 6,806,022.41
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Solution
The fourth proportional to 11,415,731.81, 17,120,977.40 and 6,806,022.41 is: 10,207,471.40
Step by Step Solution
- Step 1: Write the proportion equation
11,415,731.81 : 17,120,977.40 = 6,806,022.41 : x - Step 2: Convert to fraction form
11,415,731.81/17,120,977.40 = 6,806,022.41/x - Step 3: Cross multiply
11,415,731.81x = 17,120,977.40 × 6,806,022.41 - Step 4: Simplify right side
11,415,731.81x = 116,525,755,925,321.03 - Step 5: Solve for x
x = 116,525,755,925,321.03/11,415,731.81 - Step 6: Final answer
x = 10,207,471.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.