Finding the Fourth Proportional to 21,584,624.58, 29,788,480.62 and 12,292,588.08
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Solution
The fourth proportional to 21,584,624.58, 29,788,480.62 and 12,292,588.08 is: 16,964,738.97
Step by Step Solution
- Step 1: Write the proportion equation
21,584,624.58 : 29,788,480.62 = 12,292,588.08 : x - Step 2: Convert to fraction form
21,584,624.58/29,788,480.62 = 12,292,588.08/x - Step 3: Cross multiply
21,584,624.58x = 29,788,480.62 × 12,292,588.08 - Step 4: Simplify right side
21,584,624.58x = 366,177,521,790,723 - Step 5: Solve for x
x = 366,177,521,790,723/21,584,624.58 - Step 6: Final answer
x = 16,964,738.97
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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.