Finding the Fourth Proportional to 16,128,524.90, 22,609,794.70 and 16,128,524.90
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Solution
The fourth proportional to 16,128,524.90, 22,609,794.70 and 16,128,524.90 is: 22,609,794.70
Step by Step Solution
- Step 1: Write the proportion equation
16,128,524.90 : 22,609,794.70 = 16,128,524.90 : x - Step 2: Convert to fraction form
16,128,524.90/22,609,794.70 = 16,128,524.90/x - Step 3: Cross multiply
16,128,524.90x = 22,609,794.70 × 16,128,524.90 - Step 4: Simplify right side
16,128,524.90x = 364,662,636,802,838 - Step 5: Solve for x
x = 364,662,636,802,838/16,128,524.90 - Step 6: Final answer
x = 22,609,794.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.