Finding the Fourth Proportional to 14,391,390.88, 19,862,576.40 and 8,590,471.84
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Solution
The fourth proportional to 14,391,390.88, 19,862,576.40 and 8,590,471.84 is: 11,856,317.76
Step by Step Solution
- Step 1: Write the proportion equation
14,391,390.88 : 19,862,576.40 = 8,590,471.84 : x - Step 2: Convert to fraction form
14,391,390.88/19,862,576.40 = 8,590,471.84/x - Step 3: Cross multiply
14,391,390.88x = 19,862,576.40 × 8,590,471.84 - Step 4: Simplify right side
14,391,390.88x = 170,628,903,234,048.56 - Step 5: Solve for x
x = 170,628,903,234,048.56/14,391,390.88 - Step 6: Final answer
x = 11,856,317.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.