Finding the Fourth Proportional to 12,949,133.88, 17,865,560.87 and 9,228,550.96
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Solution
The fourth proportional to 12,949,133.88, 17,865,560.87 and 9,228,550.96 is: 12,732,375.80
Step by Step Solution
- Step 1: Write the proportion equation
12,949,133.88 : 17,865,560.87 = 9,228,550.96 : x - Step 2: Convert to fraction form
12,949,133.88/17,865,560.87 = 9,228,550.96/x - Step 3: Cross multiply
12,949,133.88x = 17,865,560.87 × 9,228,550.96 - Step 4: Simplify right side
12,949,133.88x = 164,873,238,896,184.38 - Step 5: Solve for x
x = 164,873,238,896,184.38/12,949,133.88 - Step 6: Final answer
x = 12,732,375.80
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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.