Finding the Fourth Proportional to 11,726,422.74, 17,591,959.08 and 3,639,053.21
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Solution
The fourth proportional to 11,726,422.74, 17,591,959.08 and 3,639,053.21 is: 5,459,301.31
Step by Step Solution
- Step 1: Write the proportion equation
11,726,422.74 : 17,591,959.08 = 3,639,053.21 : x - Step 2: Convert to fraction form
11,726,422.74/17,591,959.08 = 3,639,053.21/x - Step 3: Cross multiply
11,726,422.74x = 17,591,959.08 × 3,639,053.21 - Step 4: Simplify right side
11,726,422.74x = 64,018,075,072,302.84 - Step 5: Solve for x
x = 64,018,075,072,302.84/11,726,422.74 - Step 6: Final answer
x = 5,459,301.31
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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.